[#1708] Correctly set the writerIndex in ReadOnlyByteBufferBuf if it is constructed with a buffer which has non zero position
[#1709] Correctly detect that Unsafe.copyMemory is missing
Make sure ChannelOutboundBuffer not throw NPE during increment/decrement pending writes
[maven-release-plugin] prepare release netty-4.0.7.Final
[maven-release-plugin] prepare for next development iteration
Merge remote-tracking branch: upstream/master