Author: Mathew May
MDL-65658 mod_forum: Group images links and titles groups
After a change in Moodle 3.6 some links & titles went missing.
Here I am adding them back & incresing the output image to 100x100px
http://git.moodle.org/gw?p=moodle.git;a=commit;h=33b74df1494b3a95c28d0930e017a1ba32a0559a
http://github.com/moodle/moodle/commit/33b74df1494b3a95c28d0930e017a1ba32a0559a
+ 3.7 en [memberofgroup,core_group]