Developer credits
Git commits in Moodle 3.1.x by Charles Fulton
commit 87b007b4ddab60699144bba59a1d118aaac97922 Author: Charles Fulton <mackensen@gmail.com> Date: Sun, 25 Mar 2012 22:39:24 +0800 Tag: v3.1.0-beta MDL-372 forum: support for pinned discussion topics