Adding language nl via Pootle
Adding language nl via Pootle

walterbender/turtle3D,AlanJAS/turtleart,walterbender/turtleflags,walterbender/AmazonasTortuga,max630/turtleart-hacks,walterbender/turtleconfusion,walterbender/turtleartmini,max630/turtleart-hacks,walterbender/turtleart