Add 3 new logos

* Add 3 new logos (Rollout @eidogat, Hail @Tippo, Ajency @surajajency)
* Update H&L logo
* Alphabetize logos

![image](https://cloud.githubusercontent.com/assets/1666031/4259446/824069b2-3af6-11e4-80e5-7735ee847d03.png)