Add touch handling and delegate.
Move touch handling to CMPMapView.
Create an NSMutableData.
Set map.
Set layer data lengths on setSize.
Capture view controllers.
Implement base CMPMapViewDelegate.
Make property readwrite.
Set map.
Remove private property.
Add selectedTileIndex property.
Add CMPTileCell.
Remove prototype cell.
Explicitly set background color.
Add stuff required for setting a tile on a tile cell.
Setup the image view.
Handle selection state.
Use constants.
Use property on CMPTilesheet instead.
Use CMPTilesheet instead.