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