small changes in the readme files

git-svn-id: https://plugins.svn.wordpress.org/who-owns-your-country/trunk@845221 b8457f37-d9ea-0310-8a92-e5e31aec5664
correct typos in markup of readme.txt

git-svn-id: https://plugins.svn.wordpress.org/who-owns-your-country/trunk@845222 b8457f37-d9ea-0310-8a92-e5e31aec5664