Git commits in Moodle 2.8.2 by David Mudrák

commit 475f4a6272e96d988619c6b1118d480496595382
Author: David Mudrák <david@moodle.com>
Date:   Wed, 26 Nov 2014 16:07:50 +0800
Tag:    v2.8.2

MDL-48210 updates checker: Fix empty return type


commit 6237bb2f2f96d0552ba02aebce49fe7629ed469a
Author: David Mudrák <david@moodle.com>
Date:   Wed, 19 Nov 2014 06:43:21 +0800
Tag:    v2.8.2

MDL-48210 updates checker: Improve cron notifications processing


commit 87082d0f1c7240f9b535da10b75df5f55a637180
Author: David Mudrák <david@moodle.com>
Date:   Wed, 19 Nov 2014 06:37:06 +0800
Tag:    v2.8.2

MDL-48210 plugin_manager: Invalidate caches after fetching updates info