Git commits in Moodle 3.0.7 by Marina Glancy

commit 03e398154c718c314de71ef5a11f81139d7eb5e3
Author: Marina Glancy <marina@moodle.com>
Date:   Fri, 28 Oct 2016 11:54:22 +0800
Tag:    v3.0.7

MDL-56615 portfolio: fix php 7.0.9 warning

commit 9273b920e56cf1bca674ae95fada610490423edf
Author: Marina Glancy <marina@moodle.com>
Date:   Fri, 28 Oct 2016 11:53:55 +0800
Tag:    v3.0.7

MDL-56615 portfolio_googledocs: add basic unittests

commit e6885a4e71f5e986359847ef88abfc83eda04d71
Author: Marina Glancy <marina@moodle.com>
Date:   Fri, 14 Oct 2016 08:20:41 +0800
Tag:    v3.0.7

MDL-56439 course: added missing require

commit 789b0b62c34394ae8049309fba4adf6e6d411131
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 06 Sep 2016 10:09:49 +0800
Tag:    v3.0.7

MDL-55864 general: fix PHP7.1 strict warnings

commit 7416cc5d485f0f787ffa17a6e15c49d436bd8f51
Author: Marina Glancy <marina@moodle.com>
Date:   Sat, 20 Aug 2016 21:56:25 +0800
Tag:    v3.0.7

MDL-55654 user: apply format_string to field names

commit bc48debf36e6eafa4cefef6ef8e840bbbe248df8
Author: Marina Glancy <marina@moodle.com>
Date:   Thu, 11 Aug 2016 16:30:51 +0800
Tag:    v3.0.7

MDL-29332 question: calculated variables may differ in case only