Git commits in Moodle 2.5.2 by Mark Nielsen

commit 65d14146af4bc338a7e3db013a82ff911d8afc9a
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Mon, 19 Aug 2013 23:59:18 +0800
Tag:    v2.5.2

MDL-32690: Restore 1.9 backup into 2.X fails on missing assignment type


commit e1ff960c9407f0b00a0477b2cd2f0a34281f3549
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Tue, 30 Jul 2013 23:44:01 +0800
Tag:    v2.5.2

MDL-39090: Duplicate parameters in LTI launches


commit 01af7948514ec18a4e668a1ba8e6d8c85cab549a
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Thu, 25 Jul 2013 05:43:35 +0800
Tag:    v2.5.2

MDL-40870: Icon alt text in External Tool admin settings all read Accept


commit 9fe0281217454c806293b3ed2b176cf2f805f40e
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Thu, 25 Jul 2013 00:07:14 +0800
Tag:    v2.5.2

MDL-40005: LTI module uses Apache specific function for retrieving request headers