[Java] Drop restriction that the max message size is limited to 2^16.
[C++]: few more tests for LogAppender
Merge branch 'master' of https://github.com/real-logic/Aeron
[C++]: added the rest of the non-BufferClaim LogAppender tests and fix missing END_FRAG flag set on append.
[C++]: BufferClaim and completion of LogAppender tests
[C++]: initial LogReader and Header implementations
[C++]: initial LogReader tests
[C++]: more LogReader tests
[C++]: initial BroadcastTransmitter implementation and part of initial BroadcastReceiver implementation
[C++]: initial BroadcastReceiver implementation
[C++]: initial CopyBroadcastReceiver implementation
[C++]: BroadcastTransmitter tests
[C++]: some BroadcastReceiver tests
[C++]: more BroadcastReceiver tests
[Java] Fixed unit test so that if example.com changes it's ip address the test doesn't break.