Git commits in Moodle 3.4.0 by Matt Porritt

commit 0f56f6e6dac5baf18d7ab3329e379a4875700f4b
Author: Matt Porritt <mattp@catalyst-au.net>
Date:   Fri, 27 Oct 2017 08:11:12 +0800
Tag:    v3.4.0-rc1

MDL-60360 Global Search: Enable file indexing message update.

commit bc60052d830dc096a56977f2be932cf2477f3f33
Author: Matt Porritt <mattp@catalyst-au.net>
Date:   Thu, 31 Aug 2017 09:36:18 +0800
Tag:    v3.4.0-beta

MDL-59834 Global Search: Indexing user messages

commit 4e921569d03186b51d93f6fafceb7e72068b7020
Author: Matt Porritt <mattp@catalyst-au.net>
Date:   Thu, 06 Jul 2017 13:27:53 +0800
Tag:    v3.4.0-beta

MDL-59459 Golbal Search: Increase file indexing coverage

commit 0a9a10f029fd5e609f2d0d58f0de90ed74802237
Author: Matt Porritt <mattp@catalyst-au.net>
Date:   Wed, 12 Apr 2017 10:42:25 +0800
Tag:    v3.4.0-beta

MDL-58654 Global search: Allow engines to support batch processing.