Git commits in Moodle 3.8.0 by Nadav Kavalerchik

commit 96964edf0bfaff6665d44ebf583606b5301a0387
Author: Nadav Kavalerchik <nadav.kavalerchik@weizmann.ac.il>
Date:   Wed, 23 Oct 2019 06:34:24 +0800
Tag:    v3.8.0-beta

MDL-66982 media_videojs: Fix RTL display issues (progress bar)

commit 22ae1807a543ef44416d8c3b29b6bb08a32c8c10
Author: Nadav Kavalerchik <nadav.kavalerchik@weizmann.ac.il>
Date:   Sun, 15 Sep 2019 01:56:18 +0800
Tag:    v3.8.0-beta

MDL-66676 theme/boost: Fix form select element icon in RTL mode