ACCUMULO-1115 double check for table existence and use the proper keys to pull state

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1450393 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1115 double check for table existence and use the proper keys to pull state

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1450394 13f79535-47bb-0310-9956-ffa450edef68