Changed read me and deleted screenshosts in WP seo - trunk -1

git-svn-id: https://plugins.svn.wordpress.org/smart-wp-seo/trunk@1027945 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed read me and deleted screenshosts in WP seo - tag 2

git-svn-id: https://plugins.svn.wordpress.org/smart-wp-seo/trunk@1027949 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed read me and deleted screenshosts in WP seo - tr 3

git-svn-id: https://plugins.svn.wordpress.org/smart-wp-seo/trunk@1027953 b8457f37-d9ea-0310-8a92-e5e31aec5664