HBASE-10049 Small improvments in region_mover.rb



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1546417 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10057 TestRestoreFlushSnapshotFromClient and TestRestoreSnapshotFromClient fail to finish occasionally

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1546443 13f79535-47bb-0310-9956-ffa450edef68