HBASE-12622 user_permission should require global admin to display global and ns permissions
HBASE-12632 ThrottledInputStream/ExportSnapshot does not throttle
HBASE-12565 Race condition in HRegion.batchMutate() causes partial data to be written when region closes

Signed-off-by: stack <stack@apache.org>

Conflicts:
	hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
HBASE-10560 Per cell TTLs
HBASE-12642 LoadIncrementalHFiles does not throw exception after hitting hbase.bulkload.retries.number setting