updated demos to show debug display with new AllBulletDemos (AllInOne),

added btDynamicsWorld::getWorldType

Demos/RagdollDemo/main.cpp

@@ -7,7 +7,7 @@ int main(int argc,char* argv[])
         RagdollDemo demoApp;
 
         demoApp.initPhysics();
-        demoApp.setCameraDistance(btScalar(10.));
+       
 
         return glutmain(argc, argv,640,480,"Bullet Physics Demo. http://bullet.sf.net",&demoApp);
 }