added a tab bar controller and added set game view controller
refactored to sub class the match game view so det game can use the super class
updated set view controller name
added ui attributes for the set game
added cards for set game.  also changed the result text to be attributed string so text color and shading show up in the results
updated card matching game to use game type during init
added the logic for matching a set
added tab bar Icons by Glyphish to the game
Merge branch 'Assignment-2'