Author: Ryan Wyllie
MDL-54698 message: update preference processor display names
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fe8664b1ef3347d2e55577c93cc749b46cf7f44d
http://github.com/moodle/moodle/commit/fe8664b1ef3347d2e55577c93cc749b46cf7f44d
+ 3.2 en [pluginname,message_airnotifier]
+ 3.2 en [pluginname,message_jabber]
+ 3.2 en [pluginname,message_popup]