Author: Mathew
MDL-24951 mod_forum: Check user capability to know what message to show.
If the user has the following capabilty: mod/forum:canposttomygroups then show them
the more technical of the strings. Otherwise we use something a bit easier for them to ask their
tutor or teacher about.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0df8f503a338bb7f1bc185c1701c003e4a0d60e3
http://github.com/moodle/moodle/commit/0df8f503a338bb7f1bc185c1701c003e4a0d60e3
+ 3.6 en [cannotadddiscussiongroup,mod_forum]