HBASE-9391  Compilation problem in AccessController with JDK 6

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1519172 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9402 initCause() uses wrong exception in ProtobufLogReader#readNext(HLog$Entry) (Ted Yu)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1519181 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd