BakerVC 리팩토링 중
NSMutableDictionary *attachedScreenshotPortrait;
    NSMutableDictionary *attachedScreenshotLandscape; and make didfinishload method simple
Removed lockPage Method
BakerVC 리팩토링 중
Change target to iOS 6.0
Removed iVars BOOL currentPageWillAppearUnderModal;
    BOOL shouldForceOrientationUpdate from BakerVC
Encapsulated currentPageNumber in BakerViewController
Encapsulated bookStatus in BakerVC
Implemented BakerPageBuilder