Fix comparison of presence state in event subsystem.

Several new IEs were not given types (or names), causing the comparison
function to improperly succeed.  This adds those.

(closes issue AST-1128)
........

Merged revisions 382390 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@382391 65c4cc65-6c06-0410-ace0-fbb531ad65f3