Release of 1.5.7

- e701c54: Merge pull request Netflix#1411 from mattrjacobs/fix-bad-import
- 306cc39: Removed bad import that snuck in
- 7b3d2ce: Merge pull request Netflix#1408 from crimeminister/bugfix/fix-clojure-key-name
- 0c7c6ae: Fix typo in collapser options keyword name (from shared-fn to shard-fn)
- b0f5152: Merge pull request Netflix#1407 from mattrjacobs/reset-percentile-snapshot-when-advancing-all-buckets
- c4cd610: Clear the percentile snapshot whenever all buckets get cleared
- e7d23a3: Merge pull request Netflix#1406 from mattrjacobs/fix-retry-deadlock
- b54a22b: Added unit test that demonstrates calling .retry() on an Observable produced by Hystrix does not result in deadlock
- 1bf896b: Merge pull request Netflix#1405 from mattrjacobs/fix-comment-in-thread-pool-properties
- 27d0ca9: Fix comment in HystrixThreadPoolProperties
- a735c80: Merge pull request Netflix#1397 from michaelcowan/feature/optionally-raise-hystrix-runtime-exception
- 8b5a075: Merge pull request Netflix#1399 from mattrjacobs/add-property-to-control-maximum-thread-pool-size
- f68bd2f: Output setting around maximum thread pool size and whether this config is enabled
- 643d680: Added flag to force users to opt-in to allowing core and maximum thread pool sizes to diverge
- 478c211: Removing change to BasicDefaultIgnoreExceptionsTest
- 12d19bd: Adding raiseHystrixExceptions to DefaultProperties
- 8d8a8b3: Adding option to raise HystrixRuntimeException instead of cause
- 4e08f1a: Merge pull request Netflix#1396 from mattrjacobs/unsubscribe-before-subscribe
- 5b1e4d6: If command is unsubscribed before any work starts, just return Observable.never()
- 487ee3a: Merge pull request Netflix#1393 from ricardoletgo/master
- 141e182: Merge pull request Netflix#1389 from dmgcodevil/javanica-iss1344
- 9f62a5f: Performance improvement in EnvUtils. Read "weavingMode" system property only one time.
- 1042f27: iss1344: send fallback exception to client instead of primary command
- c175837: Merge pull request Netflix#1385 from monkey-mas/bump-jmh-gradle-plugin-to-0.3.1
- 9bbd664: Bump JMH gradle plugin to the latest version(0.3.1)
- 3fef4d7: Merge pull request Netflix#1382 from monkey-mas/bump-jmh-to-1.15
- 6a55d06: Bump JMH to the latest version(1.15)
- 7c42aa3: Merge pull request Netflix#1380 from mattrjacobs/add-jmh-test-when-circuit-opened
- da29bfd: Forgot to uncomment the non-Hystrix cases
- 881646c: Add jmh tests for open-circuit case
- ad5e3f4: Merge pull request Netflix#1376 from bltb/cleanup-comments
- 4bc7b67: Remove outdated comments regarding thread keep alive.
- 66f1347: Merge pull request Netflix#1375 from mattrjacobs/remove-cancelled-tasks
- 324a9ab: Remove cancelled work from the threadpool queue
- ae725f5: Merge pull request Netflix#1371 from mattrjacobs/allow-excess-threads-to-be-terminated
- c6fb4e1: Add maximumSize to unit test
- b42e36c: Add maximum size in configuration stream output
- 9d9f1ed: Add maximumSize to Hystrix Configuration stream
- c21d586: Allow maximum size to affect HystrixThreadPool
- ef6b201: Add configuration for Hystrix thread pool maximumSize
- 069249c: Add v1.5.6 to CHANGELOG

Release of 1.5.6

- 4ec663e: Merge pull request Netflix#1368 from mattrjacobs/upgrade-jmh
- 082ac5b: Upgrade jmh to 1.14.1
- 02b8be7: Merge pull request Netflix#1365 from mattrjacobs/upgrade-nebula-and-gradle
- 14df0f4: Upgrade to Gradle 3.1 / Nebula 3.4.0
- 9433411: Merge pull request Netflix#1364 from mattrjacobs/fix-backwards-incompatbility-for-appengine
- cdd4dc0: Merge pull request Netflix#1363 from mattrjacobs/fix-semaphore-only-groups-from-showing-up-in-threadpool-output
- ddbf1bb: Re-add PlatformSpecific.isAppEngine() for backwards-compatibility
- 04f33ad: Filter out all thread pool objects from thread pool metric streams which have not executed a command
- d31ec7d: Merge pull request Netflix#1360 from mattrjacobs/convert-command-construction-jmh-test-to-singleshot
- 62edc4a: jmh test is more accurate when measuring the first command construction
- f16c08f: Merge pull request Netflix#1356 from cadef/platformspecific_gae_flexible
- 023cd42: Update PlatformSpecific to only detect App Engine Standard Environment
- a0e233a: Merge pull request Netflix#1353 from mattrjacobs/upgrade-rx-1-2
- eaec273: Upgrade to RxJava 1.2.0
- 8738d1c: Merge pull request Netflix#1351 from mattrjacobs/remove-histogram-object-pool
- cc8f973: REmoev object-pooling from CachedValuesHistogram
- d838f4d: Merge pull request Netflix#1336 from kennedyoliveira/feature/dashboard_improviments
- fe83e49: Merge pull request Netflix#1320 from zsoltm/1.5.4.collapse-observable
- e9cf47b: added reactive collapser example
- 695ee06: review: removed unnecessary generics
- cbecc00: review items: unnecessary checks; numeric constant instead of loop var
- b4d129e: Merge pull request Netflix#1341 from dmgcodevil/iss1328
- 13b4cde: iss1328: improved error messages
- c3a2282: iss1328: fix
- 12ad3e0: Merge pull request Netflix#1340 from mattrjacobs/refactor-user-defined-fallback
- ce1caab: Made the user-defined fallback calculation more general
- 417b249: Add remove button for streams
- 86760bd: Improving dashboard eureka integration - Refactoring code - Grouping instances by services - Added a new group for the first instance of each server - Updating url on chaning stream type - Update title for with application name
- 5ca732a: Update CHANGELOG with v1.5.5
- 94ff54d: implemented basic Javanica collapsible Observer support

Release of 1.5.5

- 68ecc5a: Merge pull request Netflix#1323 from mattrjacobs/remove-reactivesocket-modules
- e102e5d: Remove all ReactiveSocket modules - this should allow a build by JDK6/7
- 90b0320: Add v1.5.4 to CHANGELOG.md

Release of 1.5.4

- f27c62c: Merge pull request Netflix#1308 from mattrjacobs/update-jmh
- 50c44e9: Merge pull request Netflix#1310 from mattrjacobs/update-nebula-netflixoss-plugin
- 951c66f: Merge pull request Netflix#1309 from mattrjacobs/update-hdr-histogram
- 402f1ac: Merge pull request Netflix#1307 from mattrjacobs/update-rxjava
- 29ae641: Merge pull request Netflix#1306 from mattrjacobs/update-clojure
- 78526d7: Merge pull request Netflix#1305 from mattrjacobs/update-gradle-2-14
- f261142: Update nebula.netflixoss Gradle plugin from 3.2.3 to 3.3.0
- 6a2cf00: Update HdrHistogram from 2.1.7 to 2.1.9
- f592801: Update jmh from 1.11.2 -> 1.13
- 3077a82: Update RxJava from 1.1.5 to 1.1.8
- 6abb7a2: Update nebula-clojure Gradle plugin and dependency on Clojure
- ff6e5aa: Update Gradle wrapper to 2.14
- 0e22141: Merge pull request Netflix#1304 from mattrjacobs/multicast-metrics-streams
- 28f3042: Make sure that metrics streams are multicast such that the work hapens once and all subscribers get that copy
- 079fd7c: Merge pull request Netflix#1303 from mattrjacobs/update-rxnetty
- fc491c3: Merge pull request Netflix#1302 from mattrjacobs/evaluate-pr-1265
- 57f1562: Update RxNetty version which depends on netty 4.1.3.Final
- dc31c60: Merge remote-tracking branch 'upstream/pr/1265' into evaluate-pr-1265
- c873b7b: Merge pull request Netflix#1300 from mattrjacobs/scalar-command-terminates-in-on-next
- 5b9bdae: Fixed the application of the CANCELLED state to do it only when no terminals have been emitted so far
- 51531d2: Revert "Fix assertions which are no longer true after this commit"
- bde8615: Fix assertions which are no longer true after this commit
- da1198c: Merge pull request Netflix#1294 from thesmith/shutdown_threadpools
- aec05b3: Merge pull request Netflix#1297 from ManishMaheshwari/patch-1
- ca41fbb: Merge pull request Netflix#1299 from mattrjacobs/deflake-unsubscribe-tests
- f21be4a: Using longer execution times for unsubscribe unit tests
- 993ca86: Merge pull request Netflix#1295 from C-Otto/patch-1
- 7b625e8: Spell correction.
- b5d975c: fix typo
- 0785b3e: loop until thread-pool executor shuts down
- da55d45: Interrupt execution thread on HystrixCommand#queue()#cancel(true)
- 749e3db: Increased some sleeps in flaky unit test
- 61bb180: Allow scalar commands (HystrixCommand) to set completion state on an onNext
- e336976: Merge pull request Netflix#1273 from jbojar/bugfix/ignore-exceptions-generic-observable-command
- 8e6830c: Merge pull request Netflix#1197 from diegopacheco/master
- 8f96fde: Merge pull request Netflix#1176 from nurkiewicz/patch-2
- c9b1006: Merge pull request Netflix#1278 from mattrjacobs/handle-duplicate-arguments-in-collapser-batch
- 657f698: Prevent duplicate arguments from getting into a single collapser RequestBatch.
- 8ad9b88: Merge pull request Netflix#1277 from mattrjacobs/lazy-collapser-to-observable
- c756903: Merge pull request Netflix#1276 from mattrjacobs/lazy-observable-collapser-to-observable
- 3e913e7: Made HystrixCollapser.toObservable lazy by wrapping all work in an Observable.defer
- f787e12: Moved all work performed in HystrixObservableCommand.toObservable inside an Observable.defer to make it lazy
- eb2a7a2: Merge pull request Netflix#1275 from mattrjacobs/fix-flaky-health-counts-unit-test
- e27686b: Merge pull request Netflix#1271 from daniilguit/master
- 4f693bf: Lengthened wait period in shortCircuited HealthCounts unit test
- 35af9d2: Hystrix*Key refactoring to extract common logic and fix race condition
- c45c208: Merge pull request Netflix#1274 from mattrjacobs/wrap-everything-in-defer
- c6eba37: Make toObservable lazy.  Prevents work (like cache key calculation) from happening before subscription * This also implies that queue()/observe() will not throw anymore * The IllegalStateException now gets wrapped in a HystrixRuntimeException for consistency
- 9a5d345: Corrected ignoreExceptions for Observable returning methods.
- 045cef3: Fix race condition in HystrixThreadPoolKey.asKey method
- 2bea399: Merge pull request Netflix#1270 from mattrjacobs/fix-deprecations
- 94c5cbb: Switched Netty ServerSentEvent class to fix deprecation
- f162e27: Merge pull request Netflix#1269 from mattrjacobs/revert-data-streams-module
- 48f0eac: Switch usage of Observable.finallyDo to Observable.doAfterTerminate
- 4b7c4a1: Switch usage of Observable.timer for Observable.interval
- 9e5a509: Rework hystrix-data-stream module to just include serialization logic (now named hystrix-serialization)
- f918595: Merge pull request Netflix#1259 from dmgcodevil/iss993
- 584deb0: Update README.md
- a43e231: Update README.md
- 4707f45: Merge branch 'iss993' of github.com:dmgcodevil/Hystrix into iss993
- 155d4e9: iss993: propagate original exception instead of HystrixRuntimeException
- 39d07aa: Update README.md
- c226fdd: iss993: implemented support for default properties for fallback commands
- 584f362: iss993: added tests for default command properties
- 2a1b71d: Merge branch 'master' of https://github.com/Netflix/Hystrix into iss993
- e87b4e6: iss993: added test for default group and thread pool key
- e902a38: iss993: added test for default ignore exceptions
- 9a56749: iss993: added the following properties in DefaultProperties annotation: groupKey, threadPoolKey, commandProperties, threadPoolProperties
- 3bfe053: Merge pull request Netflix#1261 from mebigfatguy/master
- 5ac120c: add toString()s to help when debugging custom HystrixPropertiesStrategy classes
- cf16c01: Merge pull request Netflix#1258 from dmgcodevil/iss1177
- ea27ba1: iss993: added DefaultProperties annotation [initial commit]
- 2ea954c: iss1177: change getMethod to recursively search in parent types
- a3dc47c: Merge pull request Netflix#1255 from mattrjacobs/introduce-intermediate-data-streams-module
- d6dc182: Using hystrix-data-stream for hystrix-rx-entty-metrics-stream
- 5370e7b: Deprecated HystrixUtilizationJsonStream in favor of compositional serialization
- bf924aa: Deprecated HystrixConfigurationJsonStream in favor of compositional serialization
- f1bb9c9: Deprecated HystrixRequestEventsJsonStream to use common serialization mechanism
- 62de321: Made dashboard data emission interval configurable on startup
- a2ee1c4: Wired HystrixMetricsStreamServlet to HystrixDashboardData
- 151a4a0: Moved non-core data streams into hystrix-data-streams
- 2747e91: Merge pull request Netflix#1254 from mattrjacobs/stream-sharing
- e712bb7: Removed delay parameter from SSE metrics servlets.  This will allow streams to get shared and do less work
- c0d6d6c: Proper initialization of streams
- 7c9e48b: Merge pull request Netflix#1250 from mattrjacobs/fix-more-flaky-unit-tests
- db18a5c: Merge pull request Netflix#1253 from jmirc/master
- 8f304c8: Made HystrixConfigurationStream support sharing
- 910ee48: Made HystrixUtilizationStream support sharing
- d869bd6: Added println to MetricsPoller unit test
- 2f4a6e2: Fix issue Netflix#1251
- c5bf266: Increased command latency in RollingCommandMaxConcurrencyStreamTest
- e56d5e4: Increased command latency in RollingThreadPoolMaxConcurrencyStreamTest
- 30ea97a: Larger bucket sizes for CumulativeCommandEventCounterStreamTest
- 8a5c48c: Larger metric buckets in unit tests to allow for slower CI processing
- c86931b: Merge pull request Netflix#1247 from yanglifan/smart-config-pool-size
- a1c03b2: Set the thread pool size only when the configuration is changed.
- 92d8659: Merge pull request Netflix#1246 from mattrjacobs/move-dashboard-stream-to-hystrix-core
- 669ee21: Move HystrixDashboardStream to hystrix-core
- 25da664: Merge pull request Netflix#1244 from mebigfatguy/master
- 31cf0fe: Merge pull request Netflix#1243 from mattrjacobs/rebased-deflake-unit-tests
- 4253c4b: Lengthen timeout in command unit test
- cc75a69: Lengthen command latencies in thread pool max-counter unit tests
- 364a4bf: Removed some thread-isolated HystrixObservableCommand unit tests
- 84c5e67: Increased time between batches in RollingCollapserBatchSize test
- c3156fd: Added println to undersand test failure
- cbe3a00: fix handling of invalid weavingMode property
- 185ac34: Use zip in reactivesocket shared stream test
- d5c1203: Reducing logging in reactivesocket unit tests
- 2632c0e: Removing println
- 30c94ad: Removing bad tests of thread-interruption on HystrixObservableCommand
- 3583415: Increased timeout in TimeoutConcurency test to make timeout more reproducible
- 0355b9b: Moved interruptible ObservableCommand to IO Scheduler
- a1d2eb6: Lengthen latent commands for semaphore-rejection unit test
- ce1edcd: Made it less likely for metrics bucket to roll in circuit-breaker unit test before assert runs
- d47ba09: Added await step to metrics-concurrency test and reordered command execution in circuitbreaker test
- 2e32ecc: Raised timeout for HystrixObservableCommand unit tests
- a5507c0: Raised command timeout in circuit-breaker tests
- 2c0f792: Raising execution latency and timeout for execution hook tests
- d877328: Add printlns to understand why some tests are failing
- eb7c24a: Merge pull request Netflix#1238 from mebigfatguy/master
- d3cd11c: Merge pull request Netflix#1236 from mattrjacobs/reactivesocket-metric-client
- fbf366d: minor local variable 'caching' fixups
- d4d9df3: Converted System.out.printlns to logger.errors
- b4e3ef8: ReactiveSocket metrics client/server
- b6ae642: Merge pull request Netflix#1235 from mattrjacobs/hystrix-examples-async
- f4db4e8: Add demo that composes async command executions
- ff552f9: Merge pull request Netflix#1232 from mebigfatguy/master
- 01084cb: compare enums with ==, avoid chances of NPE
- 6fc37dc: Merge pull request Netflix#1231 from mebigfatguy/master
- 715e3a2: make inner classes static where possible, and remove outer class reference
- 278d7bb: Merge pull request Netflix#1229 from mebigfatguy/master
- d91cc74: remove dead Setter class
- e5136eb: Merge pull request Netflix#1225 from mebigfatguy/master
- 1e2092e: remove dead allocation of unused thunk
- d85daae: Merge pull request Netflix#1224 from mebigfatguy/master
- 45b1de0: remove dead field defaultNameCache
- 8414a4e: Merge pull request Netflix#1223 from mattrjacobs/upgrade-rxjava-1-1-5
- 2c5cb5e: Merge pull request Netflix#1222 from mattrjacobs/use-java8-for-travis
- e7e6f0b: Upgrade RxJava from 1.1.1 to 1.1.5
- a40f428: Perform Travis builds with Java8
- 41804d2: Merge pull request Netflix#1221 from dysmento/its-grammar
- be95845: improve usages of "its" and "it's"
- b0ce3b3: Merge pull request Netflix#1211 from robertroeser/master
- 4e470d6: Merge pull request Netflix#1219 from mebigfatguy/master
- da37420: avoid map lookups, in loops
- 3ff2b00: Add v1.5.3 to CHANGELOG
- 98f96f7: fixed typo, removed empty test
- bdfd8f8: switched to cbor and added a base class
- bb8f153: Merge branch 'master' of github.com:Netflix/Hystrix
- 285e4ea: added logging, and updated test
- acab365: updated test
- 206d2a2: added test and enum findby id
- 3bf3126: updated gradle
- f6e1eb8: initial commit ReactiveSocket event streams
- fe82af9: added license
- 0d9d1b6: Hack Hystrix Dashbaord to have a select which loads eureka apps so you dont need to type it
- f5b2019: added jquery that retrieves data from eureka
- 2258444: hack to list eureka apps
- bfe4ecb: add right lib and added jquery
- f75f9e8: added eureka retrival code
- c0cc08d: Failing test case when two requests with the same request argument are collapsed

Release of 1.5.3

- 5d27548: Merge pull request Netflix#1218 from mattrjacobs/missing-command-concurrency-decrement
- f5fe350: Merge pull request Netflix#1217 from mebigfatguy/master
- 5b6914b: Fixing unsubscription races by modeling explicit FSMs for command and thread execution state  * Also made onThreadComplete hook fire as soon as user-provided execution emits terminal or is unsubscribed
- c377253: remove dead code around fetching execution collapse info
- b379d29: Merge pull request Netflix#1215 from mattrjacobs/fix-percentile-calcs
- 838ead2: Fix Servo percentile calculation
- 07a20d1: Merge pull request Netflix#1213 from mebigfatguy/master
- 9b5229a: use parameterized logging
- bca8d89: Merge pull request Netflix#1212 from mebigfatguy/master
- 9266004: fix logging contexts
- bf56d90: Merge pull request Netflix#1210 from mebigfatguy/master
- fe962df: no need to fetch the method's parameter annotations, if there aren't any.
- 7d3afbf: Merge pull request Netflix#1209 from mattrjacobs/thread-accounting
- eded2af: Extending timeout in command concurrency unit test
- 7a347fd: Deflake metrics concurrency test
- fe0bf14: Fixed thread-state cleanup to happen on unsubscribe or terminate
- e547495: Merge pull request Netflix#1208 from mattrjacobs/fix-collapser-unsubscription
- eeb751c: Typo
- 36bfd70: Wired up unsubscription for HystrixCollapsers and HystrixObservableCollapsers
- b63fdf6: Merge pull request Netflix#1207 from mattrjacobs/fix-concurrent-execution-count
- 7b484eb: Different fix for concurrency count command metric
- 9f64774: Merge pull request Netflix#1206 from mattrjacobs/add-subscribe-on-to-jmh-test
- f61542a: Added subscribeOn to HystrixObservableCommand in JMH test to make it async
- ee47e40: Merge pull request Netflix#1204 from mattrjacobs/add-cancelled-state
- 77e9860: Fix memory leak where TimerReference was not getting cleared on lost-race request-cache insert
- 4c911fb: Turned Atomic** variables into volatiles when possible
- 0e4e004: Fix to handling of case when 2 commands attempt to put an Observable in the request-cache and the loser needs to get cleaned up (unsubscribed)
- 6d44404: Made early unsubscription unit test more robust
- d885372: Support early cancellation of HystrixCommands
- dafbded: Merge pull request Netflix#1198 from mattrjacobs/unsubscribe-from-hystrix-observable-command
- 899a084: Adding back accidentally-removed assertions
- 5ce99c1: Add unit tests for unsubscribe cases, and add handling in AbstractCommand
- 8938a95: Merge pull request Netflix#1194 from caarlos0/junit-usage
- 61ddeae: Merge pull request Netflix#1193 from caarlos0/context-rule
- 18fab29: improved tests readbility a bit
- ff019e7: more tests using HystrixRequestContext rule
- 94a88af: Merge pull request Netflix#1181 from nluchs/master
- f59728a: Merge pull request Netflix#1184 from caarlos0/context-rule
- 16e1af1: migrating all hystrix-javanica tests to hystrix-junit
- bd2a6ee: Merge pull request Netflix#1147 from caarlos0/junit
- e68b4c5: Deprecate getter and setter for unused collapsingEnabled property in Collapser Setter.
- 9d64acc: Add v1.4.26 to CHANGELOG.md
- 2903bc3: Update CHANGELOG.md
- 3ee6006: Update settings.gradle
- 8260051: better tests
- fbb6e13: Proposal: HystrixRequestContext junit rule

Release of 1.5.3-rc.2

- 7d3afbf: Merge pull request Netflix#1209 from mattrjacobs/thread-accounting
- eded2af: Extending timeout in command concurrency unit test
- 7a347fd: Deflake metrics concurrency test
- fe0bf14: Fixed thread-state cleanup to happen on unsubscribe or terminate
- e547495: Merge pull request Netflix#1208 from mattrjacobs/fix-collapser-unsubscription
- eeb751c: Typo
- 36bfd70: Wired up unsubscription for HystrixCollapsers and HystrixObservableCollapsers
- b63fdf6: Merge pull request Netflix#1207 from mattrjacobs/fix-concurrent-execution-count
- 7b484eb: Different fix for concurrency count command metric
- 9f64774: Merge pull request Netflix#1206 from mattrjacobs/add-subscribe-on-to-jmh-test
- f61542a: Added subscribeOn to HystrixObservableCommand in JMH test to make it async
- ee47e40: Merge pull request Netflix#1204 from mattrjacobs/add-cancelled-state
- 77e9860: Fix memory leak where TimerReference was not getting cleared on lost-race request-cache insert
- 4c911fb: Turned Atomic** variables into volatiles when possible
- 0e4e004: Fix to handling of case when 2 commands attempt to put an Observable in the request-cache and the loser needs to get cleaned up (unsubscribed)
- 6d44404: Made early unsubscription unit test more robust
- d885372: Support early cancellation of HystrixCommands
- dafbded: Merge pull request Netflix#1198 from mattrjacobs/unsubscribe-from-hystrix-observable-command
- 899a084: Adding back accidentally-removed assertions
- 5ce99c1: Add unit tests for unsubscribe cases, and add handling in AbstractCommand
- 8938a95: Merge pull request Netflix#1194 from caarlos0/junit-usage
- 61ddeae: Merge pull request Netflix#1193 from caarlos0/context-rule
- 18fab29: improved tests readbility a bit
- ff019e7: more tests using HystrixRequestContext rule
- 94a88af: Merge pull request Netflix#1181 from nluchs/master
- f59728a: Merge pull request Netflix#1184 from caarlos0/context-rule
- 16e1af1: migrating all hystrix-javanica tests to hystrix-junit
- bd2a6ee: Merge pull request Netflix#1147 from caarlos0/junit
- e68b4c5: Deprecate getter and setter for unused collapsingEnabled property in Collapser Setter.
- 9d64acc: Add v1.4.26 to CHANGELOG.md
- 2903bc3: Update CHANGELOG.md
- 3ee6006: Update settings.gradle
- 8260051: better tests
- fbb6e13: Proposal: HystrixRequestContext junit rule

Release of 1.5.3-rc.1

- 9f64774: Merge pull request Netflix#1206 from mattrjacobs/add-subscribe-on-to-jmh-test
- f61542a: Added subscribeOn to HystrixObservableCommand in JMH test to make it async
- ee47e40: Merge pull request Netflix#1204 from mattrjacobs/add-cancelled-state
- 77e9860: Fix memory leak where TimerReference was not getting cleared on lost-race request-cache insert
- 4c911fb: Turned Atomic** variables into volatiles when possible
- 0e4e004: Fix to handling of case when 2 commands attempt to put an Observable in the request-cache and the loser needs to get cleaned up (unsubscribed)
- 6d44404: Made early unsubscription unit test more robust
- d885372: Support early cancellation of HystrixCommands
- dafbded: Merge pull request Netflix#1198 from mattrjacobs/unsubscribe-from-hystrix-observable-command
- 899a084: Adding back accidentally-removed assertions
- 5ce99c1: Add unit tests for unsubscribe cases, and add handling in AbstractCommand
- 8938a95: Merge pull request Netflix#1194 from caarlos0/junit-usage
- 61ddeae: Merge pull request Netflix#1193 from caarlos0/context-rule
- 18fab29: improved tests readbility a bit
- ff019e7: more tests using HystrixRequestContext rule
- 94a88af: Merge pull request Netflix#1181 from nluchs/master
- f59728a: Merge pull request Netflix#1184 from caarlos0/context-rule
- 16e1af1: migrating all hystrix-javanica tests to hystrix-junit
- bd2a6ee: Merge pull request Netflix#1147 from caarlos0/junit
- e68b4c5: Deprecate getter and setter for unused collapsingEnabled property in Collapser Setter.
- 9d64acc: Add v1.4.26 to CHANGELOG.md
- 2903bc3: Update CHANGELOG.md
- 3ee6006: Update settings.gradle
- 8260051: better tests
- fbb6e13: Proposal: HystrixRequestContext junit rule

Release of 1.4.26

- 69b7682: Merge pull request Netflix#1169 from mattrjacobs/backport-1167
- 60f417a: Use getExecutionException to handle timeout, short-circuit, etc... exceptions.

Release of 1.5.2

- 5593413: Merge pull request Netflix#1171 from mattrjacobs/reduce-lifetime-of-hdr-histogram
- 99abb20: Do all calculation of histogram values upfront, so that we can release the HdrHistogram earlier
- 316b7ea: Merge pull request Netflix#1170 from mattrjacobs/cleanup-stream-tests
- 6fde60f: Removing extraneous printlns
- 80e3582: Add asserts on CountDownLatchs and clean up timeout tests
- ae71d96: Merge pull request Netflix#1167 from spencergibb/execution-exception
- 930ce5c: Use getExecutionException to handle timeout, short-circuit, etc... exceptions.
- 12d9013: Update README.md
- 2a68048: Merge pull request Netflix#1160 from mattrjacobs/remove-release-badge
- 2d0c672: Remove release badge, as it doesn't track the actual highest release
- a824253: Merge pull request Netflix#1157 from yanwork/patch-1
- b3e15d6: Update HystrixMetricsPoller.java
- 66505b8: Merge pull request Netflix#1154 from fcalderonnearsoft/master
- 9b5e5c0: id: 1150 desc: re-add finalizerGuardian method
- 1103a55: Removed methods and variables with unused annotation
- 4286cd1: Merge pull request Netflix#1152 from mattrjacobs/deflake-circuit-breaker-closing-test
- b9dc398: Added logging to HystrixCircuitBreakerTest.testCircuitClosedAfterSuccess
- ff85933: Merge pull request Netflix#1151 from mattrjacobs/remove-unused-collapser-properties-method
- 1fde800: Remove unused method HystrixCollapserProperties.getProperty(String, HystrixCollapserKey, String, String, String)
- 4b19546: Update CHANGELOG.md
- d328bd7: Merge pull request Netflix#1149 from mattrjacobs/forward-port-1114
- 0597ac2: Netflix#1109 Rolling back request parameter support for setting queueSize
- 6fc9d55: Netflix#1109 Make default metric listener queue size configurable by property hystrix.stream.defaultMetricListenerQueueSize (still defaults to 1000 if unspecified)
- 9dfd93a: Netflix#1109 MetricJsonListener queue size can be configured by passing additional queueSize=<int> parameter in stream query
- 70964f7: Merge pull request Netflix#1144 from mattrjacobs/deflake-health-counts-unit-test
- 9a31955: Reducing latency to make sure we're not inducing timeouts
- 3464774: Merge pull request Netflix#1142 from mattrjacobs/deflake-health-counts-test
- 1586064: Merge pull request Netflix#1143 from mattrjacobs/deflake-circuit-breaker-test
- 5d580f7: Add logging to CircuitBreaker unit test
- de70428: Merge pull request Netflix#1141 from mattrjacobs/deflake-thread-pool-metrics-unit-test
- 0c84599: Merge pull request Netflix#1140 from mattrjacobs/deflake-metric-concurrency-unit-test
- b233bb3: Increasing time spent in commands in HealthCountsStreamTest to make sure rejections happen as expected
- 737fb41: Increased the time spent in commands to ensure commands get rejected as expected
- 50ac2d3: Increased time spent in command to allow concurrency check to work as expected
- 2b1f327: Merge pull request Netflix#1139 from mattrjacobs/deflake-collapser-unit-test
- ef47804: Merge pull request Netflix#1137 from mattrjacobs/deflake-command-rejection-unit-test
- 116a8b0: Increased sleep time to make Timeout work as expected in HystrixCollapserTest
- 59e1f63: Increased batch command timeout in HystrixCollapserTest to accommodate Travis slowness
- f98a027: Merge pull request Netflix#1138 from mattrjacobs/deflake-command-unit-tests
- 85d2aa2: Made errors in hook unit tests easier to debug, and removed some assertions that were not working under concurrent test runs
- cd2414a: Made unit test more lenient on timing to accommodate Travis slowness
- 071fcee: Merge pull request Netflix#1136 from mattrjacobs/deflake-latency-distribution-unit-tests
- 9508e83: Made latency check in unit test more lenient to account for Travis slowness
- 01d7d17: Made latency check in unit test more lenient to account for Travis slowness
- 21fb6ab: Merge pull request Netflix#1135 from mattrjacobs/deflake-request-log-test
- b2a7f9c: Increased timeout in HystrixRequestLogTest to accommodate Travis slowness
- 2b06a60: Merge pull request Netflix#1133 from mattrjacobs/deflake-command-counter-stream-test
- fd8e4b0: Merge pull request Netflix#1134 from mattrjacobs/deflake-observable-collapser-test
- 38c4514: Increased timeout value in HystrixObservableCollapserTest to accomodate slow Travis
- 0ab2aef: Increased the timeout value for commands to accommodate Travis slowness
- 9f65618: Merge pull request Netflix#1132 from mattrjacobs/deflake-semaphore-test
- 4426701: Merge pull request Netflix#1131 from mattrjacobs/deflake-counter-tests
- dd69502: Deflaked test of semaphore concurrency
- 0c86aa9: Merge pull request Netflix#1130 from mattrjacobs/deflake-max-concurrency-unit-test
- 16a9e52: Adjusted timing of cumulative thred pool counter stream test
- b228ac5: Deflaked ThreadPool max-concurrency metrics tests
- ab31bc1: Merge pull request Netflix#1129 from mattrjacobs/reset-command-metrics-in-collapser-test
- c7e8b94: Reset command metrics in HystrixCollapserTest
- 2319cf3: Merge pull request Netflix#1128 from mattrjacobs/travis-info-level-2
- 0f51122: Adding --info to Travis script step
- 4037b50: Merge pull request Netflix#1127 from mattrjacobs/observable-command-slow-execution
- 6594574: Removing concurrency check from testRequestCacheWithSlowExecution
- cb5c68d: Merge pull request Netflix#1125 from mattrjacobs/deflake-rejected-thread-unit-tests
- 65a64f5: Added explicit HystrixPlugins.reset() to HystrixTimerThread init of each test
- a0c063f: Made context-management explicit in HystrixCollapserTest
- 0de7e1b: Added some logging to unit tests to help deflake them when running on CI
- 81ad2eb: Merge pull request Netflix#1124 from mattrjacobs/reduce-metrics-stream-logging
- 3b4128b: Turning down loglevels of metrics streams
- 57a2bce: Merge pull request Netflix#1120 from mattrjacobs/timeout-exception
- cf82c76: Making the HystrixTimeoutException instance per-command, not static
- f5649c3: Update CHANGELOG.md
- 47fee19: Update CHANGELOG.md

Release of 1.4.25

- 6f55c0a: Merge pull request Netflix#1114 from anuragw/1.4.x
- ee6c90a: Netflix#1109 Rolling back request parameter support for setting queueSize
- 1410bee: Netflix#1109 Make default metric listener queue size configurable by property hystrix.stream.defaultMetricListenerQueueSize (still defaults to 1000 if unspecified)
- a88b30b: Netflix#1109 MetricJsonListener queue size can be configured by passing additional queueSize=<int> parameter in stream query
- 5629563: Merge pull request Netflix#1121 from mattrjacobs/1.4.x-nonstatic-timeout-exception
- b525240: Making the HystrixTimeoutException instance per-command, not static