Git commits in Moodle 3.4.0 by Tobias Reischmann

commit 05f9380cbc8eb9e856d8e4bc7bb70eac2a92d416
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Thu, 17 Aug 2017 23:01:22 +0800
Tag:    v3.4.0-beta

MDL-59854 forum: Created unique db key for forum_subscriptions

commit d029841300b1daff640f4509099778c4e9abf32a
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Fri, 14 Jul 2017 17:10:50 +0800
Tag:    v3.4.0-beta

MDL-59539 oauth2/issuer: Changed baseurl for guessing image URL

commit 3a133b30289d7d4b70939e133f9f6ea8f6d21018
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Thu, 08 Jun 2017 17:56:03 +0800
Tag:    v3.4.0-beta

MDL-54965 mod_data: removed unused code in display_add_field()

commit bdf6753528d4fd80c8ee9cd0a3e3beac4c3bb9a0
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Thu, 08 Jun 2017 16:47:14 +0800
Tag:    v3.4.0-beta

MDL-54965 mod_data: Init draft area for empty file/pic fields

commit 4acb33f67b64af0e875598eca60133d6801c5ba9
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Wed, 07 Jun 2017 18:43:22 +0800
Tag:    v3.4.0-beta

MDL-59173 tablelib.php: changed default of $params in set_sql to array()