Git commits in Moodle 3.2.0 by Mark Johnson

commit e1093c7fa80301bb4a09809c6483c39276b32585
Author: Mark Johnson <mark.johnson@open.ac.uk>
Date:   Fri, 19 Aug 2016 18:24:48 +0800
Tag:    v3.2.0-beta

MDL-55385 output: Support non-integer output_buffering values

commit 4d9036d6eb5857575fe26a3997818b4cc44ab71a
Author: Mark Johnson <mark.johnson@open.ac.uk>
Date:   Tue, 28 Jun 2016 19:38:41 +0800
Tag:    v3.2.0-beta

MDL-55041 roles: Fix JSON parsing in permission manager

commit be8b89500c47a6155239977da71fa56c3d6ec17b
Author: Mark Johnson <mark.johnson@open.ac.uk>
Date:   Thu, 12 May 2016 16:49:24 +0800
Tag:    v3.2.0-beta

MDL-54180 Behat: Handle exceptions from driver when saving screenshot