Git commits in Moodle 2.7.2 by Mark Nelson

commit 763e5d6c83ddba2646989f4f2bdd07451d078407
Author: Mark Nelson <markn@moodle.com>
Date:   Sat, 30 Aug 2014 06:20:55 +0800
Tag:    v2.7.2

MDL-45818 core_message: use system context if user no longer exists

commit 436c7825b1b1c5257f8d0f57f1cc31fa9b57193d
Author: Mark Nelson <markn@moodle.com>
Date:   Sat, 30 Aug 2014 05:31:55 +0800
Tag:    v2.7.2

MDL-46902 core_course: display meaningful message when no courses found

commit f367cfcbefd1f9c3ae82eb87e5b3554657f7f161
Author: Mark Nelson <markn@moodle.com>
Date:   Thu, 21 Aug 2014 13:09:29 +0800
Tag:    v2.7.2

MDL-46923 core_behat: fixed typos in function names

commit 32193155f5cb9fece93061d8a5c27e3a3b1beb30
Author: Mark Nelson <markn@moodle.com>
Date:   Wed, 20 Aug 2014 11:52:46 +0800
Tag:    v2.7.2

MDL-46188 core_course: use correct hide/show icon

commit 68fb3969e14c8d6e8d8ede959a8d3a9a88edc776
Author: Mark Nelson <markn@moodle.com>
Date:   Thu, 17 Jul 2014 07:18:16 +0800
Tag:    v2.7.2

MDL-34248 core_backup: used API instead of inserting into the log table directly

commit 527afcfb8cc3a4eb7c586b1194529c4fdb73bd5f
Author: Mark Nelson <markn@moodle.com>
Date:   Tue, 15 Jul 2014 14:48:33 +0800
Tag:    v2.7.2

MDL-34248 core_backup: added missing end quotation

commit 8b5520877be7a8e61a77c615f0ed2a2a8103750e
Author: Mark Nelson <markn@moodle.com>
Date:   Mon, 30 Jun 2014 07:18:24 +0800
Tag:    v2.7.2

MDL-45594 core_message: ordered recent notifications by timecreated

commit 7ed94cbe9c412cd4060b7cf7e2559963633918bb
Author: Mark Nelson <markn@moodle.com>
Date:   Mon, 30 Jun 2014 07:18:24 +0800
Tag:    v2.7.2

MDL-45594 core_message: ordered recent notifications by timecreated

commit 20914ba26a53a014abaa4d33aa75b2332f848500
Author: Mark Nelson <markn@moodle.com>
Date:   Fri, 20 Jun 2014 08:29:42 +0800
Tag:    v2.7.2

MDL-45594 core_message: added unit tests

commit 1c7509bc862687ad400a8b485c99154d543eed52
Author: Mark Nelson <markn@moodle.com>
Date:   Fri, 20 Jun 2014 08:29:42 +0800
Tag:    v2.7.2

MDL-45594 core_message: added unit tests