changed to have a map taking up the full viewport

![screen shot 2014-09-13 at 16 35 53](https://cloud.githubusercontent.com/assets/3116474/4260895/5ab5cc2c-3b53-11e4-93ea-0118b76dda0e.png)

Let me know what you think

/cc @buzzlightyear182 @SirArslaan @dario-c @eduRivera