Preparing release 3.9.7.

git-svn-id: https://plugins.svn.wordpress.org/advanced-responsive-video-embedder/trunk@869581 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme fix

git-svn-id: https://plugins.svn.wordpress.org/advanced-responsive-video-embedder/trunk@869596 b8457f37-d9ea-0310-8a92-e5e31aec5664
Preparing release 3.9.7.1.

git-svn-id: https://plugins.svn.wordpress.org/advanced-responsive-video-embedder/trunk@869600 b8457f37-d9ea-0310-8a92-e5e31aec5664