Developer credits
Git commits in Moodle 2.5.6 by Henning Bostelmann
commit eed14281d468338ae85f58e868f41b06e31a0eb4 Author: Henning Bostelmann <henning.bostelmann@york.ac.uk> Date: Fri, 07 Mar 2014 22:57:24 +0800 Tag: v2.5.6 MDL-44502 filelib: Add mimetype for Maple worksheets