Git commits in Moodle 3.4.0 by Jan Dageförde

commit 99e632c446b5f9600acb98a913632dcfda450623
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Mon, 21 Aug 2017 21:57:24 +0800
Tag:    v3.4.0-beta

MDL-59889 oauth2: Remove check for storing new refresh token

commit 8aa17e13476d4fa9bb00915e64c11cab23146bfa
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Fri, 18 Aug 2017 16:57:36 +0800
Tag:    v3.4.0-beta

MDL-59869 oauth2: Fix notification method

commit efbe24f5a8781540a9b91e12207792bf6851d8dd
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Fri, 18 Aug 2017 16:57:04 +0800
Tag:    v3.4.0-beta

MDL-59869 oauth2: Send expiry notification on exceptions, too

commit bd0b987338d93d0d7f989c83b894ab6d3b201105
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Fri, 18 Aug 2017 16:18:21 +0800
Tag:    v3.4.0-beta

MDL-59855 oauth2: Fix PHPDoc type hints

commit d5c60ac815473217265f19c8124ba79b8865f956
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Thu, 17 Aug 2017 03:04:36 +0800
Tag:    v3.4.0-beta

MDL-59844 webdav: Add bearer auth method to WebDAV requests

commit 8f1e67d3119ac7dc7d45eac730918dc68eeb91a7
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Tue, 08 Aug 2017 04:21:29 +0800
Tag:    v3.4.0-beta

MDL-59746 oauth2: urlencode parameters for post requests

commit 3fa588c637e6777dbe255e6488f3e4aaf8ce59b6
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Thu, 13 Jul 2017 21:36:57 +0800
Tag:    v3.4.0-beta

MDL-59511 oauth2: Allow empty email in system account

commit 0c62ca25636b963ced0364689072e9ce1ebedad2
Author: Jan Dageförde <jan.dagefoerde@ercis.uni-muenster.de>
Date:   Thu, 23 Jun 2016 20:36:34 +0800
Tag:    v3.4.0-beta

MDL-28574 webservice: Allow admins to manage tokens created by others.