Created role model

db/migrate/20130128051640_create_roles.rb

@@ -0,0 +1,9 @@
+class CreateRoles < ActiveRecord::Migration
+  def change
+    create_table :roles do |t|
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20130128051658_add_role_id_to_user.rb

@@ -0,0 +1,5 @@
+class AddRoleIdToUser < ActiveRecord::Migration
+  def change
+    add_column :users, :role_id, :integer
+  end
+end