update readme file

git-svn-id: https://plugins.svn.wordpress.org/masoomshahid/trunk@962165 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readmefile

git-svn-id: https://plugins.svn.wordpress.org/masoomshahid/trunk@962166 b8457f37-d9ea-0310-8a92-e5e31aec5664