HIVE-4319 : Revert changes checked-in as part of 1953 (Vikram Dixit via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1466300 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4271 : Limit precision of decimal type (Gunther Hagleitner via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1466305 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4107 : Update Hive 0.10.0 RELEASE_NOTES.txt (Thejas Nair via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1466308 13f79535-47bb-0310-9956-ffa450edef68