Add javadocs in the oio package and also fix some intellij warnings
Fix config
Add javadocs to AIO and also fix a few warnings
Add Snappy compression codec
Remove bad Javadoc in SCTP classes.
Fixed SCTP testcases #632
Fixed OioSctpChannel event loop issue #632 by using 3 different selectors
Add javadocs and also some parameter checks in DefaultFileRegion
Return the new buffer's capacity is same with the requested capacity

- Rename capacity variables to reqCapacity or normCapacity to distinguish if its the request capacity or the normalized capacity
- Do not reallocate on ByteBuf.capacity(int) if reallocation is unnecessary; just update the index range.
- Revert the workaround in DefaultChannelHandlerContext
Move ChannelInputShutdownEvent to socket package as this is where it belongs to. Also added some javadocs
Merge branch 'master' of github.com:netty/netty
Remove the notion of ByteBufAllocator.bufferMaxCapacity()

- Allocate the unpooled memory if the requested capacity is greater then the chunkSize
- Fixes #834
Move snappy codec to netty-codec
Remove codec-snappy from the module list
Do not use slice() to get the content of HTTP msg

- Fixes #794
Save memory copy
#751 - Added support for legacy websocket v7 in order to pass SocksJS tests
[#832] Add javadocs which explains how to workaround the problem
Fix visibily of ImmediateExecutor and add private constructor
Some javadocs fixed to remove dead links