Update gitlab-grit
Replace gif animation with font icon spinner

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve turbolink spinner

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
 Merge branch 'remove_ajax_gif' into 'master'

Remove Ajax Gif
 Merge branch 'update_gitlab_grit' into 'master'

Update gitlab-grit