Developer credits
Git commits in Moodle 2.5.3 by Andreas Grabs
commit 3085f3395b92b331f2ae6ba488bf4204a605731a Author: Andreas Grabs <moodle@grabs-edv.de> Date: Mon, 04 Nov 2013 02:11:27 +0800 Tag: v2.5.3 MDL-42521 mod_feedback - Feedback does not show line graphs in Clean theme
commit 4d686df651ef51c1b84040d69545da27f32132fb Author: Andreas Grabs <moodle@grabs-edv.de> Date: Thu, 17 Oct 2013 04:10:27 +0800 Tag: v2.5.3 MDL-42210 mod_feedback - convert tabs to space