removing old screenshots

git-svn-id: https://plugins.svn.wordpress.org/diveling/trunk@995187 b8457f37-d9ea-0310-8a92-e5e31aec5664
add new screenshots


git-svn-id: https://plugins.svn.wordpress.org/diveling/trunk@995188 b8457f37-d9ea-0310-8a92-e5e31aec5664