* Ask user to add email when deleting [WIP]
* Ask to provide an email before requesting account deletion
* Additional checks to make sure that user won't be deleted w/o an email
* Revert changes on confirm destroy view
* Action to request account deletion by email
* Confirmation page for user destroy
* Remove some of the old destroy user code
* System tests for user destroy
* Moved user destroy tokens to redis
* Change tests according to the new user destroy token storage (in redis)
* Added info about the link to user delete confirmation email
* Remove blank like from schema.rb
* Delete user destroy token on user delete
* Update confirm user destroy js
