Added referer URL in user_token so that redirections (e.g: from oauth token requests) are followed after the user has confirmed the sign-up. Added test for the same.

db/migrate/043_add_referer_to_user_token.rb

@@ -0,0 +1,9 @@
+class AddRefererToUserToken < ActiveRecord::Migration
+  def self.up
+    add_column :user_tokens, :referer, :text
+  end
+
+  def self.down
+    remove_column :user_tokens, :referer
+  end
+end