Version bumped in README + updated screenshot

git-svn-id: https://plugins.svn.wordpress.org/optimized-dropdown-menus/trunk@898880 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed version in main php file

git-svn-id: https://plugins.svn.wordpress.org/optimized-dropdown-menus/trunk@898885 b8457f37-d9ea-0310-8a92-e5e31aec5664