rename ObsoleteDemos back to Demos

fix some relative path issues for loading assets

Demos/ConcaveConvexcastDemo/main.cpp

@@ -0,0 +1,15 @@
+
+#include "ConcaveConvexcastDemo.h"
+#include "GlutStuff.h"
+
+
+int main(int argc,char** argv)
+{
+
+        ConcaveConvexcastDemo* concaveConvexcastDemo = new ConcaveConvexcastDemo();
+        concaveConvexcastDemo->initPhysics();
+        concaveConvexcastDemo->setCameraDistance(30.f);
+
+        return glutmain(argc, argv,640,480,"Concave Convexcast Demo",concaveConvexcastDemo);
+}
+