Git commits in Moodle 3.5.0 by Huong Nguyen

commit c9e307046513060c35c414a1427ba9545b752a37
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Fri, 23 Feb 2018 17:18:24 +0800
Tag:    v3.5.0-beta

MDL-61525 Groups: Index page error on first time visit

commit 0c2ecefc45339b367038bc47ebeb55173e8b77b5
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Mon, 29 Jan 2018 10:54:32 +0800
Tag:    v3.5.0-beta

MDL-60077 User tours: pop-up triangle look bad next to the corners