adds new minimal-ui attribute

Browser UI now autohides on page load if user is on iOS 7.1. There is one issue with the CSS though. If you rotate to landscape it shows a gray box on the bottom. This can be swiped downward and it snaps into place on the bottom.


screenshot:
![img_0001](https://f.cloud.github.com/assets/1445367/1808010/18430e74-6d2f-11e3-9ff6-73a07688e7ec.PNG)

![landscape](https://f.cloud.github.com/assets/1445367/1808016/6ad095b2-6d2f-11e3-9e37-37402cdc262e.PNG)



<adambrodzinski@gmail.com>