HBASE-9461 Some doc and cleanup in RPCServer

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1523386 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9536 Fix minor javadoc warnings

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1523406 13f79535-47bb-0310-9956-ffa450edef68
hbase-9512: Regions can't get out InRecovery state sometimes when turn off distributeLogReplay and restart a cluster

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1523407 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9523 Audit of hbase-common @InterfaceAudience.Public apis


git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1523411 13f79535-47bb-0310-9956-ffa450edef68