Git commits in Moodle 3.6.3 by Tim Hunt

commit 4ed6bb0c22dfaaf5790951eae911ade8202e43dc
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 01 Mar 2019 19:12:40 +0800
Tag:    v3.6.3

MDL-64981 dml tests: pgsql_native_recordset_testcase port number

commit f2d827461d6c31a80fac087a1be325b5dd2759bd
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 08 Feb 2019 23:52:44 +0800
Tag:    v3.6.3

MDL-64242 qtype_essay: more efficient query in restore code

commit 186fa09d2be9873d841e48a4c9e490d1c35de707
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Mon, 21 Jan 2019 21:17:56 +0800
Tag:    v3.6.3

MDL-64521 grouplib: reduce memory use in groups_get_all_groups

commit aa8e765a5d3d8a958f902da20a0e3eb78646bc59
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Sat, 19 Jan 2019 02:00:42 +0800
Tag:    v3.6.3

MDL-64590 questions: wrong comments shown in the state history table

commit 2cbf3ea580baf38e54fbbb1690d8d79bc8340350
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 18 Jan 2019 23:58:11 +0800
Tag:    v3.6.3

MDL-64591 User tours: don't show during redirects & other bad times

commit a7428f69add52e2e2a86bdfaad5f35ec60eb5fc8
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Sat, 12 Jan 2019 02:35:05 +0800
Tag:    v3.6.3

MDL-63870 quiz: new preview should abandon, not finish, current attempt

commit 814dee2184f0b9f7b1e8f54e424929a99a32294b
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Wed, 19 Dec 2018 21:49:25 +0800
Tag:    v3.6.3

MDL-64393 drag-drop qtypes: be more robust when page layout changes

commit 7fbca34efb5641aba8097248dd8170f64a3fcc96
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 14 Dec 2018 00:04:28 +0800
Tag:    v3.6.3

MDL-61441 accesslib: get_users_by_capability groups perf improvement

commit 5361e60e93897a9fb1d33777f2221a00b8fc30f4
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Tue, 27 Nov 2018 01:09:17 +0800
Tag:    v3.6.3

MDL-64465 qtypes: fix incorrect context passed to format_string

commit a747d9311ab4b1e7f00e56ef355e366124c5648f
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 23 Nov 2018 23:49:31 +0800
Tag:    v3.6.3

MDL-64464 drag-drop qtypes: allow <span lang=".."> id draggables