HIVE-7411: Exclude hadoop 1 from spark dep [Spark Branch]

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1611437 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7371: Identify a minimum set of JARs needed to ship to Spark cluster [Spark Branch]

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1611752 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7331: Spark compiler ground work

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1612125 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7431: When run on spark cluster, some spark tasks may fail

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1612189 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'upstream/spark' into spark