HBASE-10745 Access ShutdownHook#fsShutdownHooks should be synchronized

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1577588 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10741 Deprecate HTablePool and HTableFactory

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1577624 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10549 When there is a hole, LoadIncrementalHFiles will hang in an infinite loop.(yuanxinen)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1577655 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10751 TestHRegion testWritesWhileScanning occasional fail since HBASE-10514 went in

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1577664 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10599 Replace System.currentMillis() with EnvironmentEdge.currentTimeMillis in memstore flusher and related places (Ramkrishna S. Vasudevan)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1577702 13f79535-47bb-0310-9956-ffa450edef68