Git commits in Moodle 3.1.2 by Mark Johnson

commit 9f95b657e2724316271ceb5f24f8bc93ef391470
Author: Mark Johnson <mark.johnson@open.ac.uk>
Date:   Fri, 19 Aug 2016 18:24:48 +0800
Tag:    v3.1.2

MDL-55385 output: Support non-integer output_buffering values