Use Swift and UIPageViewController

Merge pull request #11 from yichizhang/dev

Use Swift and UIPageViewController

Fixed an issue

Fixed an issue in method:

- (void)scrollToViewControllerAtIndex:(NSInteger)index animated:(BOOL)animated;

Second parameter 'animated' was ignored

0.0.2

Added these methods:

• (void)reloadViewControllers;
• (void)scrollToViewControllerAtIndex:(NSInteger)index;
• (void)scrollToViewControllerAtIndex:(NSInteger)index animated:(BOOL)animated;

0.0.1

First release.