Update to 0.2.1. Testing for WP 3.7 and 3.7.1.

git-svn-id: https://plugins.svn.wordpress.org/dephue-data-design-hide-update-notifications-developer-edition/trunk@795629 b8457f37-d9ea-0310-8a92-e5e31aec5664
Typo in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/dephue-data-design-hide-update-notifications-developer-edition/trunk@795632 b8457f37-d9ea-0310-8a92-e5e31aec5664