Merge branch 'develop' into css-variables

# Conflicts:
#	demo/dist/demo.css
#	demo/index.html
#	dist/plyr.css
#	gulpfile.js
#	package.json
#	yarn.lock

src/sass/lib/mixins.scss

@@ -69,11 +69,6 @@
         width: 100%;
     }
 
-    .plyr__video-embed {
-        // Revert overflow change
-        overflow: visible;
-    }
-
     // Vimeo requires some different styling
     &.plyr--vimeo .plyr__video-wrapper {
         height: 0;