Git commits in Moodle 3.1.4 by Dan Marsden

commit d0c5c6e60c6d0d10f736b57df4d4aabbb29f01b5
Author: Dan Marsden <dan@danmarsden.com>
Date:   Wed, 04 Jan 2017 10:43:46 +0800
Tag:    v3.1.4

MDL-49557 mod_scorm: optionally strip quotes.

commit 751e80769ca741770fc3c3a3c11815f183682077
Author: Dan Marsden <dan@danmarsden.com>
Date:   Fri, 23 Dec 2016 07:04:41 +0800
Tag:    v3.1.4

MDL-49557 mod_scorm: fix AICC pre-requisite handling.

commit 850e56c5c6d198f50f8cd7b16966c4f9adf0d69f
Author: Dan Marsden <dan@danmarsden.com>
Date:   Tue, 20 Dec 2016 15:28:39 +0800
Tag:    v3.1.4

MDL-50643 mod_scorm: redirect using current window instead of parent.

commit 84fc36beeecc68314da9dfba450bbb1f6aa7c62d
Author: Dan Marsden <dan@danmarsden.com>
Date:   Fri, 09 Dec 2016 05:11:15 +0800
Tag:    v3.1.4

MDL-57324 scorm: exclude objective raw.score from grade update

commit 1452bab3ab110faa7279f7cc8f81feaefb782ced
Author: Dan Marsden <dan@danmarsden.com>
Date:   Fri, 28 Oct 2016 06:55:15 +0800
Tag:    v3.1.4

MDL-56358 tool_lp tool_cohortroles: allow null idnumber