HBASE-8379 bin/graceful_stop.sh does not return the balancer to original state (Jean-Marc)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1470657 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HBASE-313-trunk-gd