HIVE-4970 BinaryConverter does not respect null (Mark Wagner via egc)

Submitted by: Mark Wagner	
Reviewed by: Edward Capriolo	


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1510263 13f79535-47bb-0310-9956-ffa450edef68
Hive-4879 Window function that imply order can only be registered at compile time (Edward Capriolo)

Reviewed by:	Brock Noland


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1510269 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd