Add unsubscriptions controller and routes.  Starting tests butgetting strange failures.
Fix unsubscribe links in email footers.  Fix route to unsubscribe page. Fix syntax error on Record SentEmail test.
Passing test for link in footer going to unsubscribe page.  Add attr_accessible to EmailCampaigns and EmailCampaignCategories. Create factories and refactor specs to use them.
Refactor TestMailer spec to use factories
Set up generic unsubscribe page