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- rename class with prefix, `DCTitleScrollViewCell` to `DCScrollViewTitleCell`
- bundle `DCScrollViewDelegate`'s methods, to `sizeOfDCScrollViewTitleCell`
- rename delegate and datasource's methods
- update README
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- rename class with prefix, `DCBodyScrollView` to `DCScrollViewContentView`
- rename class with prefix, `DCTitleScrollView` to `DCScrollViewNavigationView`
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- bugfix set backgroundView's frame when replacing `sizeOfDCScrollViewTitleCell`
- move sample project's directory, `Demo` to `Example`
- add UnitTest project
update DCScrollViewNavigationView

- delete `headBackgroundView`
- `DCScrollViewNavigationView` has UIScrollView
- rename `dcDelegate` to `delegate`
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- depprecate method, `-setFont:textColor:highlightedTextColor:`

- rename method, `+relativedIntegerValueForIndex:length` to `-relativedIntegerValueWithLength`
- rename method, `-visibleCells` to `-cells`

- delete method that isnt used, `currentPage`
bugfix touch on navigation view, dont scroll

- delete `-hitTest:withEvent:`
- validate to scroll page on `-touchesEnded:withEvent:`
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- use `reserving page`