V3.51 -  The Brazilian Portuguese language file is updated. We updated all functionality for wordpress 3.6. We fixed the email validation bug. We removed displaying of additional info in the copy of email to the sender.

git-svn-id: https://plugins.svn.wordpress.org/contact-form-plugin/trunk@751588 b8457f37-d9ea-0310-8a92-e5e31aec5664