Git commits in Moodle 2.2.8 by David Mudrák

commit bf465486700c9f5542d5172e1c414a5156b5564f
Author: David Mudrák <david@moodle.com>
Date:   Fri, 08 Feb 2013 20:15:23 +0800
Tag:    v2.2.8

MDL-37774 Add unit test to illustrate the problem with the trailing slash

commit e97b6677445ef38623b525480dc8c529f6d4074d
Author: David Mudrák <david@moodle.com>
Date:   Fri, 08 Feb 2013 19:05:44 +0800
Tag:    v2.2.8

MDL-37774 Do not pass trailing slash if the method does not want it

commit a7b872612179f7dfdbe5ae88c5ae08925593e655
Author: David Mudrák <david@moodle.com>
Date:   Fri, 08 Feb 2013 18:45:24 +0800
Tag:    v2.2.8

MDL-37774 Make moodle1_file_manager::migrate_directory() support trailing slash in rootpath