new screenshot added, plugin site in readme changed

git-svn-id: https://plugins.svn.wordpress.org/appthemes-classipress-ads-importer-plugin/trunk@945208 b8457f37-d9ea-0310-8a92-e5e31aec5664
change version in readme

git-svn-id: https://plugins.svn.wordpress.org/appthemes-classipress-ads-importer-plugin/trunk@945209 b8457f37-d9ea-0310-8a92-e5e31aec5664