John fix issue#274 (#275)

* <fixed privacy policy errors>

* <Fixed code style>

* <Robustness changes>

* <redirect to 404 page if terms are disabled>

* <patched validation of accepted terms>

* <relaunching scrutinizer>

app/models/user.rb

@@ -35,7 +35,8 @@ class User < ApplicationRecord
   validates :password, length: { minimum: 6 }, confirmation: true, if: :greenlight_account?, on: :create
 
   # Bypass validation if omniauth
-  validates :accepted_terms, acceptance: true, unless: proc { !greenlight_account? }
+  validates :accepted_terms, acceptance: true,
+                             unless: -> { !greenlight_account? || !Rails.configuration.terms }
 
   # We don't want to require password validations on all accounts.
   has_secure_password(validations: false)