HIVE-7597 : Support analyze table (Chengxiang Li via Szehon) [Spark Branch]

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1616313 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7626 : Add jar through CLI did not loaded by Spark executor[Spark Branck] (Chengxiang Li via Szehon)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1616389 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7492 - Enhance SparkCollector (Venki Korukanti via Brock) [Spark Branch]

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1616525 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7584 - Change SparkCompiler to generate a SparkWork that contains UnionWork from logical operator tree (Na Yang via Brock) [Spark Branch]

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1616652 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7560 - StarterProject: Fix exception handling in POC code (Chao Sun via Brock) [Spark Branch]

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1616653 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'upstream/spark' into spark
Merge branch 'spark' into HIVE-7624