Bump plugin version to 1.2.0 in code

Author: itsananderson

minimum-password-strength.php

@@ -3,7 +3,7 @@
 /*
  * Plugin Name: Minimum Password Strength
  * Description: Enforce a specific password strength. Uses the same strength calculations as the WordPress password strength meter
- * Version: 1.1.2
+ * Version: 1.2.0
  * Plugin URI: http://wordpress.org/extend/plugins/minimum-password-strength/
  * Author: Will Anderson and Tony Ferrell
  * Author URI: http://codeawhile.com/