Git commits in Moodle 2.8.9 by Damyon Wiese

commit 5c16db4fc561c97b6a907398ea081cdaf6590214
Author: Damyon Wiese <damyon@moodle.com>
Date:   Thu, 05 Nov 2015 16:26:46 +0800
Tag:    v2.8.9

MDL-51569 mod_choice: Validate the submitted optionid


commit b43abbdccc60ba91e3ef17885fe5ca4d0718feb5
Author: Damyon Wiese <damyon@moodle.com>
Date:   Mon, 02 Nov 2015 16:41:55 +0800
Tag:    v2.8.9

MDL-52004 assign: Set unique urls when grading so autosaves work


commit 19ab1865e3ec7788dd3613d46ceaca2a8351fbcb
Author: Damyon Wiese <damyon@moodle.com>
Date:   Wed, 14 Oct 2015 12:03:38 +0800
Tag:    v2.8.9

MDL-51756 externallib: Show debugging when optional params are wrong


commit 206e67735868a38b39d86927c53371548c1a5c8e
Author: Damyon Wiese <damyon@moodle.com>
Date:   Tue, 13 Oct 2015 14:24:08 +0800
Tag:    v2.8.9

MDL-48861 assign: Make the requires grading filter consistent


commit 2d4cf584cae5777c89d2c14ca454357d71f9c14e
Author: Damyon Wiese <damyon@moodle.com>
Date:   Tue, 13 Oct 2015 12:57:10 +0800
Tag:    v2.8.9

MDL-48861 assign: Fix unit tests and behat tests


commit 16ef0ac033fffd13a5738c7cc85643fc5e0af548
Author: Damyon Wiese <damyon@moodle.com>
Date:   Fri, 09 Oct 2015 15:08:06 +0800
Tag:    v2.8.9

MDL-48861 mod_assign: use >= for requires grading filter


commit f44ac5d3bf741764ae5658726f0beba29de114d4
Author: Damyon Wiese <damyon@moodle.com>
Date:   Fri, 04 Sep 2015 11:04:17 +0800
Tag:    v2.8.9

MDL-48861 assign: Fix the "needs grading" filter