HIVE-2905 Desc table can not show non-ascii comments (Xiaozhe Wang and Navis Ryu via egc) 

Submitted by: Xiaozhe Wang and Navis Ryu	
Reviewed by: Edward Capriolo	


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1507656 13f79535-47bb-0310-9956-ffa450edef68