Remove zip and add screenshoot-1.png

git-svn-id: https://plugins.svn.wordpress.org/clone-maker/trunk@1034809 b8457f37-d9ea-0310-8a92-e5e31aec5664
Place image

git-svn-id: https://plugins.svn.wordpress.org/clone-maker/trunk@1034811 b8457f37-d9ea-0310-8a92-e5e31aec5664