Change to hlavka for routing

application_controller.rb

class ApplicationController < ActionController::Base
  protect_from_forgery
  before_filter :ensure_domain
  APP_DOMAIN = 'www.commoncurriculum.com'
  STAGING_DOMAIN = 'hlavka-staging.herokuapp.com'
  def ensure_domain
    if request.env['HTTP_HOST'] != APP_DOMAIN && request.env['HTTP_HOST'] != STAGING_DOMAIN && Rails.env != 'development'  
      # HTTP 301 is a "permanent" redirect
      redirect_to "http://#{APP_DOMAIN}", :status => 301
    end
  end
end