Git commits in Moodle 3.5.6 by Andrew Nicols

commit e81ac514ca259c40c8b68826a57327cde289ae74
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Fri, 10 May 2019 12:24:05 +0800
Tag:    v3.5.6

MDL-65558 enrol_database: use , as port separator


commit 563f08ff544cd9f6e6c7dea7f153231d7606d671
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Fri, 10 May 2019 12:23:49 +0800
Tag:    v3.5.6

MDL-65558 auth_db: use , as port separator


commit 8e70179f4d7f23900e228fe9e02ed43dee87412e
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Fri, 10 May 2019 11:40:52 +0800
Tag:    v3.5.6

MDL-63959 feedback: Adjust unit test for perf


commit 12abff6943ba20d6cc98a1c7c52c8970772cc5be
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Wed, 06 Mar 2019 10:28:16 +0800
Tag:    v3.5.6

MDL-63524 behat: Do not skip tests on Step 0 error