HIVE-7104: Unit tests are disabled (David Chen via cws)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1596681 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7066: hive-exec jar is missing avro core (David Chen via cws)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1596693 13f79535-47bb-0310-9956-ffa450edef68