Remove margin-left from list on home page

IMO this indentation is kinda odd as both the intro sentence and the list are semantically on the same "level". Feel free to reject if you disagree :+1: 

Before:
![OH GOD WHY](https://cloud.githubusercontent.com/assets/91933/2975393/4f63b3ee-db94-11e3-90bc-1275f6fc3c69.png)

After:
![AW YIS](https://cloud.githubusercontent.com/assets/91933/2975394/50cd2080-db94-11e3-9f71-af6c207ed811.png)