Initial roll out of better DFP responsive code

git-svn-id: https://plugins.svn.wordpress.org/responsive-ad-shortcodes/trunk@976614 b8457f37-d9ea-0310-8a92-e5e31aec5664
Initial roll out of better DFP responsive code 2

git-svn-id: https://plugins.svn.wordpress.org/responsive-ad-shortcodes/trunk@976615 b8457f37-d9ea-0310-8a92-e5e31aec5664