fix mistake where updated files went missing

git-svn-id: https://plugins.svn.wordpress.org/simple-instagram-widget/trunk@948164 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme

git-svn-id: https://plugins.svn.wordpress.org/simple-instagram-widget/trunk@948165 b8457f37-d9ea-0310-8a92-e5e31aec5664