New version 2.1

git-svn-id: https://plugins.svn.wordpress.org/maintenance/trunk@859978 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update readme.txt

git-svn-id: https://plugins.svn.wordpress.org/maintenance/trunk@860112 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update readme.txt

git-svn-id: https://plugins.svn.wordpress.org/maintenance/trunk@860116 b8457f37-d9ea-0310-8a92-e5e31aec5664