Assignment 3 Extras:
1) Added icons for the two tab (game) items. It required icons with an Alpha channel and certain size.
Added a placeholder tab for High Scores - Assignment 3 extra credit stuff. Do it whenever time permits later
Introduced a PlayingCardView - a custom view to draw card contents using the CGContext and UIBezierPath.
Mades some temporary changes to HighScoresViewController to checkout this custom view.
Added handling of two gestures
 - Swipe: Flips the card between face up and face down
 - Pinch - Scales the middle part of the card - the picture
Revert "Added handling of two gestures"

This reverts commit 3760cf7c4757acef73555d2448a23756ced0ac61.
Revert "Introduced a PlayingCardView - a custom view to draw card contents using the CGContext and UIBezierPath."

This reverts commit 63f114af41c6afaa77ac34151b7c704872bc58d5.
Merge pull request #5 from ParmeshwarBayappu/assignment4

Assignment4