HIVE-4692 : Constant agg parameters will be replaced by ExprNodeColumnDesc with single-sourced multi-gby cases (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1498148 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4647 : RetryingHMSHandler logs too many error messages (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1498149 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4781 : LEFT SEMI JOIN generates wrong results when the number of rows belonging to a single key of the right table exceed hive.join.emit.interval (Yin Huai via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1498150 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4798 : NPE when we call isSame from an instance of ExprNodeConstantDesc with null value (Yin Huai via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1498151 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4559 : hcatalog/webhcat scripts in tar.gz don't have execute permissions set (Eugene Koifman via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1498156 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4618 : show create table creating unusable DDL when field delimiter is \001 (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1498164 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HIVE-4791-trunk-gd