reduce cache log (sofastack#88)

fix version 5.3.0 (sofastack#62)

Fix version 521 (sofastack#42)

* fix temp push

* update version 5.2.1-SNAPSHOT

* fix test case

* fix jetty version,and fix rest api for dataInfoIds

* fix hashcode test

* fix working to init bug

* fix start task log

* fix Watcher can't get providate data,retry and finally return new

* add data server list api

* add server list api

* remove log

* fix isssue 21

* add query by id function

* fix issue 22

* delay client off process and sync data process to working status

* fix data connet meta error

* fix inject NotifyDataSyncHandler

* fix start log

* add send sub log

* fix subscriber to send log

* fix word cache clientid

* add clientoff delay time

* fix clientOffDelayMs

* fix jetty version

* fix version to 5.2.1 release

* fix version to 5.2.1 for release

* fix version

* fix .travis.yml

* fix test case

* fix

* fix test sync case

* fix test case

* fix test case

* fix case

* fix notify online no connect break,and add connect log

* add test case

* add test case

* fix test case

* fix format

* fix resource test case

* fix

* remove data numberOfReplicas

* fix jraft version 1.2.5

Upgrade 5.2.0 (sofastack#5)