readme.txt updated

git-svn-id: https://plugins.svn.wordpress.org/seo-redirection/trunk@908471 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.txt updated

git-svn-id: https://plugins.svn.wordpress.org/seo-redirection/trunk@908473 b8457f37-d9ea-0310-8a92-e5e31aec5664