Git commits in Moodle x.x.x by Olivier Piton

commit 24eae720fa9435a135a44b271b4935379163a2c3
Author: Olivier Piton <olivier@cblue.be>
Date:   Thu, 13 Dec 2018 12:02:23 +0800
Tag:    v3.6.3

MDL-61535 report_security: SQL Perf improvement

commit 85e81896fc66821ce30015fe380997894763e484
Author: Olivier Piton <olivier@cblue.be>
Date:   Thu, 13 Dec 2018 12:02:23 +0800
Tag:    v3.7.0-beta

MDL-61535 report_security: SQL Perf improvement

commit 46f6c0da7bef766018859b4db48190e11bce7f89
Author: Olivier Piton <olivier@cblue.be>
Date:   Thu, 13 Dec 2018 12:02:23 +0800
Tag:    v3.5.5

MDL-61535 report_security: SQL Perf improvement