Git commits in Moodle 2.7.2 by Andrew Davis

commit 5bfbec5521845bb1c29abc22fbd6f7432f8ff36b
Author: Andrew Davis <andrew@moodle.com>
Date:   Wed, 06 Aug 2014 10:58:59 +0800
Tag:    v2.7.2

MDL-46600 core_grades: made it explicit in the error message that a failed grade import means nothing was imported.

commit 3dd8bd5069401abd48454b79feffa927da46df2b
Author: Andrew Davis <andrew@moodle.com>
Date:   Mon, 04 Aug 2014 12:04:37 +0800
Tag:    v2.7.2

MDL-43740 core_grade: Thanks to Robert Russo for the patch. Removed the ability to set manual grade items to grade type "None"

commit ad3d9452bf8bb3007859045b4d97f200af57ce6d
Author: Andrew Davis <andrew@moodle.com>
Date:   Thu, 10 Jul 2014 10:57:39 +0800
Tag:    v2.7.2

MDL-46218 reshuffled access checks in blog and notes

commit 5660ceba8d502b8638b046e5375f4edba5ee8d60
Author: Andrew Davis <andrew@moodle.com>
Date:   Mon, 30 Jun 2014 10:36:10 +0800
Tag:    v2.7.2

MDL-30431 mod_wiki: clarified the logic around editing and deleting wiki comments and added behat tests

commit 1c76803ec12c19c65c4e63bb5e633eccac8a46e8
Author: Andrew Davis <andrew@moodle.com>
Date:   Fri, 27 Jun 2014 10:10:55 +0800
Tag:    v2.7.2

MDL-42214 core_message:prevented popup notifications of messages from blocked users