refactored viewcontroller
Removed buttons from storyboard
removed button specific card implementation
Removed button iboutlet on iPad storyboard as well
remove set game card images since we are not going to use it
refactored viewcontroller sturcture
rework on set game card model
Added SetGameCardView and hooked up with UICollectionVIew
complete functional
Complete autolayout
updated flip result code
Added iPad version
Polished UI