Git commits in Moodle 3.1.x by Gareth J Barnard

commit c44ec0d6aa96be026a4af9fdfd8a20e3b888c938
Author: Gareth J Barnard <gjbarnard@gmail.com>
Date:   Wed, 13 Apr 2016 19:56:13 +0800
Tag:    v3.1.0-beta

MDL-53033 themes: Invalid attribute values for div.c1.btn.

commit 6eaa3230ba104019357b203a36ba0a00e406f112
Author: Gareth J Barnard <gjbarnard@gmail.com>
Date:   Thu, 11 Feb 2016 01:40:38 +0800
Tag:    v3.1.0-beta

MDL-53029 mod_book: Hidden chapter has markup in alt and title attrs.