Sidekiq used in InvitationsController.
Emails turned into background jobs with Sidekiq for send_reset_password_email and send_invitation_email. Added Sidekiq in testing as inline. Shared example testing that Sidekiq is implemented in the controller action.
Added ignore for dump.rdb
Added Unicorn as Web server.
Update to Procfile
Moved Procfile
Added sidekiq to worker process
update for Procfile
Removed Sidekiq as a dyno.