HBASE-12584 Fix branch-1 failing since task 5 HBASE-12404 (HBASE-12404 addendum)
HBASE-12563 After Starting up mini hbase cluster, Real Configuration of Cluster never set to HBaseTestingUtility (Talat UYARER)
HBASE-12518 Task 4 polish. Remove CM#{get,delete}Connection

Remove deleteConnection from everywhere except the two tests that ensure
it does the right thing and from HCM and CM themselves.

Undoes deleteConnection from tests and from the web ui
Revert "HBASE-12563 After Starting up mini hbase cluster, Real Configuration of Cluster never set to HBaseTestingUtility (Talat UYARER)"

Broke the build. TestZooKeeper doesn't pass.

This reverts commit 2e9597ffb790cf23699f1f85777403b436c96ab9.
HBASE-12587 TestReplicationTrackerZKImpl.testPeerRemovedEvent timedout
HBASE-12580 Zookeeper instantiated even though we might not need it in the shell (Alex Newman)
HBASE-12072 Standardize retry handling for master operations

Conflicts:
	hbase-client/src/main/java/org/apache/hadoop/hbase/MetaTableAccessor.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/HConnection.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTable.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/RowTooBigException.java
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/replication/ReplicationAdmin.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/flush/MasterFlushTableProcedureManager.java
	hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java
	hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.java
HBASE-12053: SecurityBulkLoadEndPoint set 777 permission on input data files
HBASE-12533: staging directories are not deleted after secure bulk load
HBASE-12558 TestHCM.testClusterStatus Unexpected exception, expected<org.apache.hadoop.hbase.regionserver.RegionServerStoppedException> but was<junit.framework.AssertionFailedError> -- DISABLING FAILING TEST