Add attributes to User, add to UserNew view

https://trello.com/c/Vui8Psv8/40-expanded-user-sign-up-page

![image](https://cloud.githubusercontent.com/assets/8669803/5076466/ff9f43f6-6e68-11e4-9bc7-f40ba8b151cf.png)

You could add blank lines to between the <divs> and <p> to make it a little more readable and easier to target in vim