Implement UnsubscribeController with placeholder views
Implement unsubscribing from the mailing list. All functionality is in place, but integration tests are still needed.
Change columns variable in 'admin/contacts.rb' from a constant to a regular local variable to silence warnings about the variable being assigned multiple times
Add integration test for unsubscribe page (UnsubscribeTest)
Add integration test to validate a unsubscribed contact cannot be unsubscribed again.
Completed implementation of sending email to all subscribed contacts
Update Announcement created email to properly handle multiple paragraphs in an announcement body.
Merge pull request #2 from davelesser/add_unsubscribe_link

Add unsubscribe link to email