HIVE-4805 : Enhance coverage of package org.apache.hadoop.hive.ql.exec.errors (Ivan Veselovsky via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1500449 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4251 : Indices can't be built on tables whose schema info comes from SerDe (Mark Wagner via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1500452 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HIVE-4796-trunk-gd