Git commits in Moodle 2.8.4 by Mark Nelson

commit 8f938ff9a6180afa897844ccb781bf467abdb4ab
Author: Mark Nelson <markn@moodle.com>
Date:   Wed, 04 Mar 2015 16:27:48 +0800
Tag:    v2.8.4

MDL-49379 core_webservice: fixed ability to edit services


commit 376d6d9bc09f2a7466d0a9192fd7df244c1621d7
Author: Mark Nelson <markn@moodle.com>
Date:   Tue, 17 Feb 2015 13:56:14 +0800
Tag:    v2.8.4

MDL-49200 core_form: corrected string


commit 52781ec82f75a80587c86da00b7cca9bff2b01e0
Author: Mark Nelson <markn@moodle.com>
Date:   Mon, 26 Jan 2015 08:49:04 +0800
Tag:    v2.8.4

MDL-48884 mod_assign: prevented setting gradebook feedback unnecessarily


commit 7728a2cae368a95c2c724ad393f50305424b4e96
Author: Mark Nelson <markn@moodle.com>
Date:   Mon, 29 Dec 2014 15:30:32 +0800
Tag:    v2.8.4

MDL-48608 mod_assign: correctly display grades for group assignments


commit 85f5d4ac9550c845471d7ec441e03e78e0272f0c
Author: Mark Nelson <markn@moodle.com>
Date:   Fri, 21 Nov 2014 09:14:05 +0800
Tag:    v2.8.4

MDL-48533 core_backup: use default log level when none specified


commit 7bc0151a4c9bb31d97fabe02363d926908783e43
Author: Mark Nelson <markn@moodle.com>
Date:   Wed, 19 Nov 2014 08:04:47 +0800
Tag:    v2.8.4

MDL-48533 report_backups: added ability to view backup logs