Author: Mihail Geshoski
MDL-61761 message_jabber: Add privacy files and unit tests
http://git.moodle.org/gw?p=moodle.git;a=commit;h=cc2454a92b21479f21da5643d83e69cf992b29e9
http://github.com/moodle/moodle/commit/cc2454a92b21479f21da5643d83e69cf992b29e9
+ 3.3 en [privacy:metadata:contexturl,message_jabber]
+ 3.3 en [privacy:metadata:externalpurpose,message_jabber]
+ 3.3 en [privacy:metadata:smallmessage,message_jabber]
+ 3.3 en [privacy:metadata:userfrom,message_jabber]
+ 3.3 en [privacy:metadata:userto,message_jabber]