Release of version 0.6.4
Commits on GitHub since last release:

  * Increase version, update README.
  * Fix for settings link showing up for every installed plugin
  * Fix Upgrade Notice markup

git-svn-id: https://plugins.svn.wordpress.org/limit-login-countries/trunk@991042 b8457f37-d9ea-0310-8a92-e5e31aec5664