HBASE-12559 Addendum fixes findbugs warnings
HBASE-12610 Close connection in TableInputFormatBase (Solomon Duskis)
HBASE-12576 Add metrics for rolling the HLog if there are too few DN's in the write pipeline
Revert "HBASE-12558 TestHCM.testClusterStatus Unexpected exception, expected<org.apache.hadoop.hbase.regionserver.RegionServerStoppedException> but was<junit.framework.AssertionFailedError> -- ADDED DEBUG"

This reverts commit 8b8f2026bda6a329d6d82376dbb884c8f183a967.

Overcommit. Added "HBASE-12490 Replace uses of setAutoFlush(boolean,
boolean)" by mistake

Conflicts:
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClusterStatusListener.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java
HBASE-12490 Replace uses of setAutoFlush(boolean, boolean) (Solomon Duskis)
HBASE-12616 We lost the linked list commands in recent usage refactoring
HBASE-12614 Potentially unclosed StoreFile(s) in DefaultCompactor#compact()
HBASE-11639 - [Visibility controller] Replicate the visibility of Cells as
strings- Addendum adding break (Ram)
HBASE-12618 Add 'Namespace' to headers while displaying user permissions (Ashish Singhi)