Author: Jake Dallimore
MDL-66226 core_message: don't display html as text in overview section
Instead of displaying the source code, as text, display a content
indicator which tells the user what sort of content the message might
contain.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=545e8988c3bb034dbbdd2567a715d02987c65522
http://github.com/moodle/moodle/commit/545e8988c3bb034dbbdd2567a715d02987c65522
+ 3.8 en [messagecontentaudio,core_message]
+ 3.8 en [messagecontentimage,core_message]
+ 3.8 en [messagecontentmultimediageneral,core_message]
+ 3.8 en [messagecontentvideo,core_message]