pjsip: Document addition of 'PJSIP_AOR' and 'PJSIP_CONTACT' in CHANGES file.

........

Merged revisions 430181 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@430182 65c4cc65-6c06-0410-ace0-fbb531ad65f3

CHANGES

@@ -59,7 +59,6 @@ chan_pjsip
    the message will automatically be associated with the configured endpoint on the
    outbound registration.
 
-
 Core
 ------------------
  * The core of Asterisk uses a message bus called "Stasis" to distribute
@@ -99,6 +98,10 @@ res_musiconhold
 --- Functionality changes from Asterisk 13.1.0 to Asterisk 13.2.0 ------------
 ------------------------------------------------------------------------------
 
+=======
+ * New 'PJSIP_AOR' and 'PJSIP_CONTACT' dialplan functions have been added which
+   allow examining PJSIP AORs or contacts from the dialplan.
+
 res_pjsip_config_wizard
 ------------------
  * This is a new module that adds streamlined configuration capability for