Update Readme.txt in trunk and tag

git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@917864 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update Readme.txt in trunk and tag

git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@917866 b8457f37-d9ea-0310-8a92-e5e31aec5664