A completely customizable alternative to the UITabBarController.
##Capabilities
- Can make the items in the bar look any way you want
- Can make bar height any size
- Animates the selected item in bar
##Todo
- Make Images fit with text if item is large enough to hold both
- Smooth animations for showing text or image
- Allow to instantiate with option of vertical or horizontal bar
- Add UIScrollView to the bar (So that you can put more than 5 items on the bar)
