v3.0

• #16 - Extracted NAPinAnnotationMapView out of a, now mimimal, NAMapView - @dblock.
• #18 - Added NAMapViewDelegate for easier handling of taps and zoom events - @dblock.
• #19 - Added NATiledImageMapView with support for deep-zoom tiled maps - @dblock, @orta.
• #20 - Zoom now pans and rests at the point being tapped - @orta.
• #14 - Added tests and Travis-CI - @dblock.