removed lots of old cruft and debug code; mostly working but multiple zooms break it
removed lots of old cruft and debug code; mostly working but multiple zooms break it

manleyjster/Leaflet.DistortableImage,jywarren/Leaflet.DistortableImage,cloudcompli/Leaflet.DistortableImage,publiclab/Leaflet.DistortableImage,manleyjster/Leaflet.DistortableImage,publiclab/Leaflet.DistortableImage,jywarren/Leaflet.DistortableImage,contexeo/Leaflet.DistortableImage