Git commits in Moodle 3.1.4 by Michael Aherne

commit 9a177e48f3cfbef8b97c30df55e181db4d60a928
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Thu, 24 Nov 2016 17:05:05 +0800
Tag:    v3.1.4

MDL-57080 completion: Update completion expected date on reset

commit d5cff77f4dda0ceafb7e285b9412fba7be93e604
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Tue, 15 Nov 2016 20:22:54 +0800
Tag:    v3.1.4

MDL-56971 enrol: Use autoloading in enrol_get_plugin()

commit 3a9f23b595a293fcfa967f546f9b1530c4053a7d
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Thu, 10 Nov 2016 18:44:21 +0800
Tag:    v3.1.4

MDL-56880 webservices: Fix documentation of get_enabled_plugins()