restored example 25

examples/graph/25_physics_configuration.html

@@ -77,12 +77,11 @@
       };
 
     var options = {
-            smoothCurves:true,
-            nodes: {
-                shape: 'image',
-                image: 'http://png-4.findicons.com/files/icons/1508/sketchcons_x/128/smiley.png'
-            },
-        };
+    edges: {
+    },
+    stabilize: false,
+    configurePhysics:true
+    };
       graph = new vis.Graph(container, data, options);
 
       // add event listeners