Add recommendation page (bug 1054086)

Desktop:
![screenshot 2014-09-24 16 12 01](https://cloud.githubusercontent.com/assets/1106/4397320/98acea42-4440-11e4-8329-8ec61ed06cd8.png)

Mobile:
![screenshot 2014-09-24 16 12 17](https://cloud.githubusercontent.com/assets/1106/4397322/a1f08942-4440-11e4-972c-ab4e23e372ca.png)

TODO:
- [ ] Add recommendation image
- [ ] Hide "Recommended" in nav bar for anonymous users
- [ ] Hide "Recommended" in nav bar if waffle is disabled

hehe you fixed it up there but not here