Generated migration to add Omniauth columns to the User model

db/migrate/20140227235829_add_omniauth_columns_to_users.rb

@@ -0,0 +1,7 @@
+class AddOmniauthColumnsToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :provider, :string
+    add_column :users, :uid, :string
+    add_column :users, :name, :string
+  end
+end