Added SCTP Codec Handlers + minor refactoring
Corrected cmd args in SCTP Sample clients
Added SCTP Codec
Resolved conflicts in SctpData/SctpMessage refactoring
Merge remote-tracking branch 'upstream/master'
Forward ported SCTP Echo Testcases
Merge pull request #633 from jestan/master

SCTP Transport Codecs and TestCases
Cleanup of sctp code based on comments in #633
Disable SCTP tests on platforms that not support them, also not run tests for sctp OIO. See #633
Fix checkstyle
Make sure the TestUtils class will also compile on operation systems that not support SCTP by using reflection
Introduce helper method to detect if a buffer is encrypted. See #657
Fix the detection of encrypted data. See #655
Fix releasing of resources in AioEventLoopGroup, as it missed to shutdown the AsynchronousChannelGroup before. See #659
Reduce synchronization overhead in HashedWheelTimer.start/stop()
Make NoSuchBufferException message more useful
[#661] WebSocketClientHandshaker is broken.

- Remove HttpRequestEncoder after handshaking is complete
- Fix a bug in the WebSocket client example where it sends a frame even before handshake is complete
Fix a bug in the SecureChat example where greeting is generated too soon
[#644] SslHandler should not defer channelActive event

- otherwise a user will have a misconception about the life cycle of the actual connection.
Add support for method chaining to ByteBuf