* Fix crypto encryption/decryption with Base64. (SAWADA Tadashi)
* #243 Add an optional length argument to Buffer.write() (koichik)
* #657 convert nonbuffer data to string in fs.writeFile/Sync
(Daniel Pihlström)
* Add process.features, remove process.useUV (Ben Noordhuis)
* #324 Fix crypto hmac to accept binary keys + add test cases from rfc 2202
and 4231 (Stefan Bühler)
* Add Socket::bytesRead, Socket::bytesWritten (Alexander Uvarov)
* #572 Don't print result of --eval in CLI (Ben Noordhuis)
* #1223 Fix http.ClientRequest crashes if end() was called twice (koichik)
* #1383 Emit 'close' after all connections have closed (Felix Geisendörfer)
* Add sprintf-like util.format() function (Ben Noordhuis)
* Add support for TLS SNI (Fedor Indutny)
* New http agent implementation. Off by default the command line flag
--use-http2 will enable it. "make test-http2" will run the tests
for the new implementation. (Mikeal Rogers)
* Revert AMD compatibility. (isaacs)
* Windows: improvements, child_process support.
* Remove pkg-config file.
* Fix startup time regressions.
* doc improvements