HBASE-12434 Add a command to compact all the regions in a regionserver (Liu Shaohui)

Conflicts:
	hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java

Amending-Author: Andrew Purtell <apurtell@apache.org>
HBASE-12319: Inconsistencies during region recovery due to close/open of a region during recovery
HBASE-12454 Setting didPerformCompaction early in HRegion#compact
HBASE-12461 FSVisitor logging is excessive (Nick Dimiduk)
Revert "HBASE-12454 Setting didPerformCompaction early in HRegion#compact"

This reverts commit 28747bab89d5a7050b9b26e1f6581c502d6d1864.
HBASE-12366 Add login code to HBase Canary tool (Srikanth Srungarapu)
HBASE-12445 hbase is removing all remaining cells immediately after the cell marked with marker = KeyValue.Type.DeleteColumn via PUT (Hani Nadra)

Conflicts:
	hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java