Change project structure

Conflicts:
	demo/window.cpp
	demo/window.h
	src/modelscene.cpp
	wowobjectviewer.pro
Fix build on Windows

Conflicts:
	demo/demo.pro
	src/modelscene.h
	src/src.pro
Camera Shakes
Use absolute positioning for particles and ribbons
Re-enable depth buffer writing after model rendering
Implement missiles