Refactored the Refinery::Admin::PagesController.

![im_not_a_big_fan_tshirts-r012f1f20055749378b12ae3cf9dfa11f_804gs_512](https://cloud.githubusercontent.com/assets/193936/5073048/792253d8-6e7f-11e4-90b1-2b7a066c8686.jpg)