HBASE-12564 consolidate the getTableDescriptors() semantic
HBASE-12583 Allow creating reference files even the split row not lies in the storefile range if required(Rajeshbabu)
HBASE-12653 Move TestRegionServerOnlineConfigChange & TestConfigurationManager to Junit4 tests (Ashish)
HBASE-12661 add missing licenses.
HBASE-12655 WALPerformanceEvaluation should only add stat gathering listener once per WAL.
HBASE-12662 region_status.rb is failing with NoMethodError (Ashish Singhi)
HBASE-12583 Allow creating reference files even the split row not lies in the storefile range if required - Addendum(Rajeshbabu)
HBASE-12664 TestDefaultLoadBalancer.testBalanceCluster fails in CachedDNSToSwitchMapping

Conflicts:
	hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestDefaultLoadBalancer.java
	hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
HBASE-12664 TestDefaultLoadBalancer.testBalanceCluster fails in CachedDNSToSwitchMapping Addendum
HBASE-12652 Allow unmanaged connections in MetaTableAccessor (Solomon Duskis)
HBASE-11979 Compaction progress reporting is wrong (Esteban Gutierrez)
HBASE-12664 TestDefaultLoadBalancer.testBalanceCluster fails in CachedDNSToSwitchMapping  -- ADDENDUM
HBASE-12467 Master joins cluster but never completes initialization

Signed-off-by: Andrew Purtell <apurtell@apache.org>
HBASE-12454 Setting didPerformCompaction early in HRegion#compact
HBASE-12666 TestAssignmentManager hanging; add timeouts
    HBASE-12665 When aborting, dump metrics
    Add some fixup of checkstyle fails

Conflicts:
	hbase-common/src/main/java/org/apache/hadoop/hbase/CellUtil.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/http/jmx/JMXJsonServlet.java