Git commits in Moodle 3.6.7 by Jun Pataleta

commit 116d8541d2be3a4f9109d63ba671a690637f9eb2
Author: Jun Pataleta <jun@moodle.com>
Date:   Tue, 05 Nov 2019 16:12:26 +0800
Tag:    v3.6.7

MDL-66598 auth_oauth2: OAuth2 upgrade step


commit 78d51b1fc6a875ead0a4563316ae5808db8395f7
Author: Jun Pataleta <jun@moodle.com>
Date:   Tue, 05 Nov 2019 14:25:22 +0800
Tag:    v3.6.7

MDL-66598 auth_oauth2: Add warning messages in confirm emails


commit fd753889a23aad921105143b8d5704009ae41f40
Author: Jun Pataleta <jun@moodle.com>
Date:   Wed, 30 Oct 2019 17:00:36 +0800
Tag:    v3.6.7

MDL-66598 tool_oauth2: Make account confirmation required by default


commit db88f1f3070b9ccfcd888a4b579b5dce29233478
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 24 Oct 2019 23:14:47 +0800
Tag:    v3.6.7

MDL-66543 core_form: Fix illegal whitespace


commit 7070a23d97267f25044c13595ed379a58d3e273d
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 03 Oct 2019 15:31:24 +0800
Tag:    v3.6.7

MDL-61450 calendar: Unit test for calendar_view_event_allowed()


commit 4897a4a16651a6d7f27de3c731161466d32adf32
Author: Jun Pataleta <jun@moodle.com>
Date:   Fri, 27 Sep 2019 11:12:20 +0800
Tag:    v3.6.7

weekly release 3.6.6+