HBASE-5525 Truncate and preserve region boundaries option, addendum

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464425 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7415 Add task information to snapshot operation (Jesse Yates)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464427 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7615 Add metrics for snapshots

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464441 13f79535-47bb-0310-9956-ffa450edef68