HIVE-4616: Support outer lateral view


Submitted by:	Navis	
Reviewed by:	Edward Capriolo
Approved by:	Edward Capriolo


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1494408 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd