HIVE-5028 : Some tests with fail OutOfMemoryError PermGen Space on Hadoop2 (Brock Noland via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1512576 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4913 : Put deterministic ordering in the top-K ngrams output of UDF context_ngrams() (Xuefu Zhang via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1512590 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HIVE-4779-trunk-gd