HIVE-8835 - identify dependency scope for Remote Spark Context.[Spark Branch] (Chengxiang Li via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1640401 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8887 - Investigate test failures on auto_join6, auto_join7, auto_join18, auto_join18_multi_distinct [Spark Branch] (Chao Sun via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1640448 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8854 : Guava dependency conflict between hive driver and remote spark context[Spark Branch] (Marcelo Vanzin via Szehon)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1640633 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8883 : Investigate test failures on auto_join30.q [Spark Branch] (Chao Sun via Szehon)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1640654 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/spark' into spark