HBASE-11666 Enforce JDK7 javac for builds on branch-1 and master (Sean Busbey)
HBASE-11671 TestEndToEndSplitTransaction fails on master (Mikhail Antonov)
HBASE-11674 LoadIncrementalHFiles should be more verbose after unrecoverable error (Jan Lukavsky)
HBASE-11673 TestIOFencing#testFencingAroundCompactionAfterWALSync fails(Sergey Soldatov)