ISSUES

FileBlockingQueue's default gc period changed to 1 minute from 1hour
MessageSetReader's exception should truncate all messages
Updated thrift gen files
Added a few more test cases for FileBlockingQueue including multithreading
HealthCheck is not closing TTransport because it's making server throw the following error:
2014-08-21 06:55:11,276 ERROR Thread-15 AbstractNonblockingServer$FrameBuffer - Read an invalid frame size of 0. Are you using TFramedTransport on the client side?
Should we increment the dropped message count in this case?