Git commits in Moodle 3.3.0 by Julien Boulen

commit a56cf2e37454351856c3c68f912fec68b122bf7b
Author: Julien Boulen <julien.boulen@univ-rennes2.fr>
Date:   Fri, 24 Mar 2017 16:44:23 +0800
Tag:    v3.3.0-beta

MDL-57965 performance: compress svg files with gzip


commit ba17a2c3f82922ccf7816600f6a06d0bf93afb60
Author: Julien Boulen <julien.boulen@univ-rennes2.fr>
Date:   Tue, 21 Mar 2017 00:59:38 +0800
Tag:    v3.3.0-beta

MDL-58070 language: reword visible core string