Git commits in Moodle 2.8.9 by Ryan Wyllie

commit c07b265f77b10c391f7bef2d3e5c8dd3a663053b
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Mon, 26 Oct 2015 15:02:03 +0800
Tag:    v2.8.9

MDL-51799 javascript: dialogue accessibility

commit d058095357f072f26a24fca578d692ed70d607a7
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Thu, 15 Oct 2015 10:23:50 +0800
Tag:    v2.8.9

MDL-49545 backup: Restore does not respect some capabilities

commit a6bd6b3cadef001a30017b21e1f5487ea71a32d9
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Tue, 29 Sep 2015 15:32:57 +0800
Tag:    v2.8.9

MDL-51525 libraries: added graphlib to thirdpartylibs.xml

commit 08db4b5843e0f95f20b036ede47fd22d60daf903
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Thu, 10 Sep 2015 16:17:19 +0800
Tag:    v2.8.9

MDL-35918 javascript: dialogues screen reader support