rename ObsoleteDemos back to Demos

fix some relative path issues for loading assets

Demos/VehicleDemo/main.cpp

@@ -0,0 +1,18 @@
+
+#include "VehicleDemo.h"
+#include "GlutStuff.h"
+#include "GLDebugDrawer.h"
+#include "btBulletDynamicsCommon.h"
+GLDebugDrawer	gDebugDrawer;
+
+int main(int argc,char** argv)
+{
+
+        VehicleDemo* vehicleDemo = new VehicleDemo;
+
+        vehicleDemo->initPhysics(); 
+		vehicleDemo->getDynamicsWorld()->setDebugDrawer(&gDebugDrawer);
+
+        return glutmain(argc, argv,640,480,"Bullet Vehicle Demo. http://www.continuousphysics.com/Bullet/phpBB2/", vehicleDemo);
+}
+