Amend HBASE-12156 TableName cache isn't used for one of valueOf methods; make TestTableName a medium test
HBASE-12170 TestReplicaWithCluster.testReplicaAndReplication timeouts
HBASE-12104 Some optimization and bugfix for HTableMultiplexer (Yi Deng)
HBASE-12166 TestDistributedLogSplitting.testMasterStartsUpWithLogReplayWork
HBASE-12137 Alter table add cf doesn't do compression test (Virag Kothari)
HBASE-12148 RegionServerTracker should escape data in log messages
HBASE-8808 Use Jacoco to generate Unit Test coverage reports (Manukranth)