Git commits in Moodle 2.4.6 by Mark Nielsen

commit 0fc55f1d0aa2ee448e955c5fdd35198fdca7d4ba
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Mon, 19 Aug 2013 23:59:18 +0800
Tag:    v2.4.6

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


commit 052f235f247d77ff0349d7db8f29c78eabc7f780
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Tue, 30 Jul 2013 23:44:01 +0800
Tag:    v2.4.6

MDL-39090: Duplicate parameters in LTI launches


commit 164cc5f0e93c2bc4b457d4fdaa2c47673556d074
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Thu, 25 Jul 2013 05:43:35 +0800
Tag:    v2.4.6

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


commit 9da794f8aaa771284ecd76fadc053b8eb0338f50
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Thu, 25 Jul 2013 00:07:14 +0800
Tag:    v2.4.6

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