HBASE-8845 Add integration test for split, online merge, and compaction

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504515 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8979 JVMClusterUtil will join forever on a stuck regionserver <--- zombie maker

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504527 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8981  add a check on the ServerName parse

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504572 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8982  Useless logs in ipc.RpcClient(584): Not able to close an output stream

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504583 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8884 Pluggable RpcScheduler (Chao Shi)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504584 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8987 ProtobufUtil.toException doesn't handle plain RemoteException, gets a NoSuchMethodException

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504591 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8983 HBaseConnection#deleteAllConnections does not always delete

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504606 13f79535-47bb-0310-9956-ffa450edef68