HBASE-7798 ZKAssign logs the wrong server if the transition fails (Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1446106 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7838 HBase regionserver never stoping when running  (Damien Hardy)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1446116 13f79535-47bb-0310-9956-ffa450edef68