LDAP schema updates

(closes issue #12860)
 Reported by: flyn
 Patches: 
       asterisk.ldif uploaded by suretec (license 70)
       asterisk.schema uploaded by suretec (license 70)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@128160 65c4cc65-6c06-0410-ace0-fbb531ad65f3