HBASE-11823 Cleanup javadoc warnings.(Andrey Stepachev)
HBASE-11814 TestAssignmentManager.testCloseFailed() and testOpenCloseRacing() is flaky (Virag Kothari)
HBASE-9746 Addendum.
HBASE-11828 callers of SeverName.valueOf should use equals and not ==.

Signed-off-by: Andrew Purtell <apurtell@apache.org>
HBASE-11820 ReplicationSource : Set replication codec class as RPC codec class on a clonned Configuration.