GUAC-236: Maintain aspect ratio by adding letterboxes / pillarboxes as necessary.
GUAC-236: Maintain aspect ratio by adding letterboxes / pillarboxes as necessary.

mike-jumper/incubator-guacamole-server,glyptodon/guacamole-server,glyptodon/guacamole-server,flangelo/guacamole-server,apache/guacamole-server,apache/guacamole-server,glyptodon/guacamole-server,flangelo/guacamole-server,flangelo/guacamole-server,mike-jumper/incubator-guacamole-server,flangelo/guacamole-server,mike-jumper/incubator-guacamole-server,apache/guacamole-server,mike-jumper/incubator-guacamole-server