HBASE-9706 Improve detection of secure ZooKeeper



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1531178 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9744 Set io.serializations correctly in HFileOutputFormat.configureIncrementalLoad

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1531188 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9742 Add Documentation For Simple User Access

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1531191 13f79535-47bb-0310-9956-ffa450edef68