Fixed Bug: Problem with options page redirection on Wordpress multi-sites

git-svn-id: https://plugins.svn.wordpress.org/author-and-post-statistic-widgets/trunk@1037018 b8457f37-d9ea-0310-8a92-e5e31aec5664
modifiying readme.txt

git-svn-id: https://plugins.svn.wordpress.org/author-and-post-statistic-widgets/trunk@1037022 b8457f37-d9ea-0310-8a92-e5e31aec5664