HIVE-7532 : allow disabling direct sql per query with external metastore (Navis reviewed by Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1617662 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7658 : Hive search order for hive-site.xml when using --config option (Venki Korukanti via Navis)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1617663 13f79535-47bb-0310-9956-ffa450edef68