Fix Xcode 5 Autolayout issues
Add missing background image files for About view
Fix jumpy navbar bug

http://stackoverflow.com/questions/19136899/navigation-bar-has-wrong-position-when-modal-a-view-controller-with-flip-horizon/19265558#19265558
Change route selection into a segmented control

Closes #11
Merge branch 'ios7' of https://github.com/VandyMobile/vandyvans-ios into ios7