Git commits in Moodle 3.0.7 by Russell Smith

commit 12abdd7cbcc83f2867f2dbe000835c330b0610da
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Tue, 25 Oct 2016 11:10:36 +0800
Tag:    v3.0.7

MDL-54916 filestorage: Only write empty zip on change.

commit 49235cdd8504f768c4620fae9655d799e4265923
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Tue, 18 Oct 2016 06:35:22 +0800
Tag:    v3.0.7

MDL-55143 unittests: Check the db rather than cache for version hash.

commit ca99df58e25f6e680d638d033ccf2bddd585ae4e
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Tue, 11 Oct 2016 13:33:26 +0800
Tag:    v3.0.7

MDL-56354 unittests: Put debug messages in the failure notice.

commit 0dc04c49bd4aef150fa0b119f144d244c77ec7d9
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Tue, 11 Oct 2016 12:16:14 +0800
Tag:    v3.0.7

MDL-56347 caching: Better class variables for notices.

commit dbff7477aa1fb32c946514e8762173762d4bc3d8
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Wed, 14 Sep 2016 07:46:43 +0800
Tag:    v3.0.7

MDL-51584 gradebook: use direct $CFG access for freeze.

commit 85efc6975a2f2086cd079c4e1e8d0bb2b14cd7e4
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Tue, 13 Sep 2016 06:28:35 +0800
Tag:    v3.0.7

MDL-55944 testing: Reduce sleep usage.

commit 115f9cc02a1cde8ec224b037c77de9a4bc6b0c36
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Sun, 19 Jun 2016 14:24:11 +0800
Tag:    v3.0.7

MDL-55602 session: Add redis handler with locking.