Initial Commit
Added ball to project.
Added ball initializers.
Added random colors to the project.
Balls appear with random color and background color.
Balls appear when you tap on the screen.
Added animated ball methods to add/remove ball from parent view.
Changed the way the ballgame works. Added a variable for controlling the maximum number of balls on the screen.
Reconstructed app to use nib.
Enabled iOS 5 rotation.
Added a touch tracking property on the ball.
Added dragging support to the main view.
Fixed performance issue where too many balls impact performance.
Update project.
Added support for random grays.
Added support for grays to the bals.
Added default value to the gray flag.
Balls correctly respect gray setting.
Tweaked color category to avoid white gray tones.
Added a segmented control to toggle color and gray circles.