Git commits in Moodle 3.3.x by Brendan Cox

commit 0f3b121f1a34ac700f876cdf20ff29d79645afec
Author: Brendan Cox <brendan.cox@totaralearning.com>
Date:   Tue, 08 May 2018 16:50:49 +0800
Tag:    v3.3.6

MDL-62210 mod_assign: improved validation in portfolio caller class

commit aa208d1bc203a3af188dee1fb953a97d6dd0388b
Author: Brendan Cox <brendan.cox@totaralearning.com>
Date:   Fri, 27 Apr 2018 07:46:13 +0800
Tag:    v3.3.6

MDL-62232 mod_forum: Additional tests for portfolio file export