Git commits in Moodle 2.6.x by Ashley Holman

commit c33b4c81bb76b8719ad4bd14eca8263c2d6805ec
Author: Ashley Holman <ashley@netspot.com.au>
Date:   Wed, 29 May 2013 12:07:38 +0800
Tag:    v2.6.0-beta

MDL-34989 assign: Allow students to submit when grade is overriden

commit c7e4403c9f3212e4ab51fdb45e22ed36cf0f3686
Author: Ashley Holman <ashley@netspot.com.au>
Date:   Wed, 29 May 2013 11:57:33 +0800
Tag:    v2.6.0-beta

MDL-39743 assign: Fix missing capability check for "grant extension"