Support for responsive player

git-svn-id: https://plugins.svn.wordpress.org/hss-embed-streaming-video/trunk@977508 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adding left out files

git-svn-id: https://plugins.svn.wordpress.org/hss-embed-streaming-video/trunk@977510 b8457f37-d9ea-0310-8a92-e5e31aec5664