Break the decode loop if decoder raises an exception to give a chance to close the connection to a user handler

- Fixes: #1161
[maven-release-plugin] prepare release netty-4.0.0.Beta3
[maven-release-plugin] prepare for next development iteration
make deregister protected in ThreadPerChannelEventLoop
Fix bug in memory-based HTTP data content initialization with input stream, add test (port from branch 3).

- Fixes #1170
Fix inspector warnings
Fix IllegalBufferAccessException in the UDT message examples

- Fixes #1104
Allow a user specify the byte order of the length field for LengthFieldBasedFrameDecoder

- Fixes #1164
Fix a bug where NioEventLoop.processSelectedKeys() enters an infinite loop when too many connections are closed at once

- Fixes #1171