Removing old files.

git-svn-id: https://plugins.svn.wordpress.org/accessibility-access-keys/trunk@797879 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adding new version.

git-svn-id: https://plugins.svn.wordpress.org/accessibility-access-keys/trunk@797880 b8457f37-d9ea-0310-8a92-e5e31aec5664