Update Makefile to match renamed demo
Update Makefile to match renamed demo

Hvitnov/WebViewer,OpenWebGlobe/WebViewer,Hvitnov/WebViewer,Hvitnov/WebViewer,OpenWebGlobe/WebViewer,Hvitnov/WebViewer,robhawkes/WebViewer,robhawkes/WebViewer,robhawkes/WebViewer,robhawkes/WebViewer,OpenWebGlobe/WebViewer,OpenWebGlobe/WebViewer