Git commits in Moodle 3.4.1 by Tobias Reischmann

commit 0bb9e2d8d78c9925ae1065d0c50177d4b14eabd7
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Mon, 06 Nov 2017 20:29:11 +0800
Tag:    v3.4.1

MDL-60669 forum: Added duplicate check for restoring forum subscriptions

commit 77a4d337551f035b87868c0f5f2b21c11b0835f9
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Thu, 12 Oct 2017 21:37:27 +0800
Tag:    v3.4.1

MDL-27886 backup: Added behat tests for user data settings

commit 34eb2faa0dc48c738367a297950e87f69c64b857
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Thu, 12 Oct 2017 21:32:15 +0800
Tag:    v3.4.1

MDL-27886 backup: Decision if a setting is fixed based on level

commit 8c067bb86df28a68f5c9703aa48b42cc70b5d9d5
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Thu, 12 Oct 2017 21:16:49 +0800
Tag:    v3.4.1

MDL-27886 backup: Enabled unlocking of backup settings