Translate links in static header and footer.
Translate back link and "Unhappy?" in edit account page.
Add failing tests for orphan places.

+ A place which has a user id of a delete user
  returns the contact_email to anonymous users.
Bugfix: Orphan place no longer returns contact_email to anonymous users.

+ Refactored authorization to check for user.nil?
Merge branch 'bugfix/orphan-place-reveals-contact-email-163' into prototype