Git commits in Moodle 2.2.5 by Andrew Davis

commit 63fbf99e07f8b74bfeea047dee110cd860554abc
Author: Andrew Davis <andrew@moodle.com>
Date:   Tue, 28 Aug 2012 10:41:02 +0800
Tag:    v2.2.5

MDL-26504 blog: added upgrade code to remove orphan external blog posts


commit 6ebac8f0c1b4b72a85df9bb3173e0fe44e013619
Author: Andrew Davis <andrew@moodle.com>
Date:   Fri, 17 Aug 2012 11:28:56 +0800
Tag:    v2.2.5

MDL-34406 message: removed an unnecessary string creation


commit 89ce191be23835daada6c552d6a3dbc7419f49a4
Author: Andrew Davis <andrew@moodle.com>
Date:   Thu, 16 Aug 2012 10:53:22 +0800
Tag:    v2.2.5

MDL-26504 blog: made it delete external blog posts when the external blog is deleted


commit 9e198bd6a68fc0cb255bae5ca310e256f3ed2317
Author: Andrew Davis <andrew@moodle.com>
Date:   Wed, 18 Jul 2012 08:37:23 +0800
Tag:    v2.2.5

MDL-28568 message: added a warning message when the user is about to message someone who cant reply


commit f7b9d6112123ab157f2478a60fedbfe825aa4e99
Author: Andrew Davis <andrew@moodle.com>
Date:   Tue, 17 Jul 2012 10:15:14 +0800
Tag:    v2.2.5

MDL-32665 mod_chat: disabled popup notifications in the chat windows


commit 90fa8589dd1d34963a4a8b8a060b6049182fd687
Author: Andrew Davis <andrew@moodle.com>
Date:   Thu, 05 Jul 2012 11:52:30 +0800
Tag:    v2.2.5

MDL-13629 grade: added some unit tests to clarify the handling of droplow and improved apply_limit_rules()