read readme.txt

git-svn-id: https://plugins.svn.wordpress.org/simple-widgets/trunk@790554 b8457f37-d9ea-0310-8a92-e5e31aec5664
read readme.txt

git-svn-id: https://plugins.svn.wordpress.org/simple-widgets/trunk@793271 b8457f37-d9ea-0310-8a92-e5e31aec5664