A user can now add another user to a location

* i was able to generate a random password for the new user
* for now that password is displayed in the terminal via a dispaly method
* the password will soon be emailed to the user
![gob-bluth-pants](https://cloud.githubusercontent.com/assets/755201/5301471/18e4a5cc-7ba7-11e4-8499-83514342c141.gif)