Git commits in Moodle 3.2.6 by sam marshall

commit 016d93e1df2a784b8c23efec01c389054c448817
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Tue, 07 Nov 2017 20:14:06 +0800
Tag:    v3.2.6

MDL-60720 core_search: Indexing halts on failed get_document

commit 9f9350068b376ef5d624eb5221717a14723243da
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Mon, 06 Nov 2017 19:55:29 +0800
Tag:    v3.2.6

MDL-60671 core_search: Cron output should use mtrace

commit 68049f376fa8f6b0237ffd940b751c095c349569
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 05 Oct 2017 23:04:44 +0800
Tag:    v3.2.6

MDL-60357 core_search: Future modified times cause serious problems

commit 4d286aa730fa13ab7d179f2b0303c908bf44c581
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Wed, 04 Oct 2017 18:55:29 +0800
Tag:    v3.2.6

MDL-60346 core_search: Solr connection ignores proxy settings