Moved iVar UIColor *webViewBackground from BakerVC to BakerView
Replaced iVar BakerPageView *currPage with property
Moved property BakerPageView *currPage from BakerVC to BakerView
Moved - (void)userDidTap:(UITouch *)touch;
- (void)userDidScroll:(UITouch *)touch;
 to BakerView
Moved - (void)handleInterceptedTouch:(NSNotification *)notification  to BakerView
BakerPageView의 수퍼 클래스를 UIView로 변경하고 WebView는 서브뷰로 추가했다.
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType  메소드를 BakerPageView로 옮겼다.
Removed legacy codes from BakerPageBuilder
removed iVar BOOL currentPageHasChanged from BakerVC