Added iOS7 style icon
Changed age field tint color.
Added gitignore
Added save user preferences into userDefaults
Remove notifications posted from touchBegin in mainScrollView.
Added some delegate methods for mainScrollView.
Lazy load Screen1,
Added tracking states
States code works.
Clean the code for Five/Ten mode
Added blink mode for heart indicator
Added blink method to animationView
Polished animations.
Added MAX Heart rate
Begin to add screen1_
Added screen1_ (left screen)
Fixed error: touch width of each screen
Fixed move screen bugs
Added comments for TTHRTapButton
submitted to AppStore