Updated readme

git-svn-id: https://plugins.svn.wordpress.org/zomato-user-widget/trunk@951116 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added compatibilty with wp 3.9.1

git-svn-id: https://plugins.svn.wordpress.org/zomato-user-widget/trunk@951117 b8457f37-d9ea-0310-8a92-e5e31aec5664