HBASE-8131 - Create table handler needs to handle failure cases. (Ram)



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1458923 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7905 Add passing of optional cell blocks over rpc

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1459015 13f79535-47bb-0310-9956-ffa450edef68