Initial sim implementation

sim/visuals/nodes/ultrasonicView.ts

@@ -0,0 +1,10 @@
+/// <reference path="./staticView.ts" />
+
+namespace pxsim.visuals {
+    export class UltrasonicSensorView extends StaticModuleView implements LayoutElement {
+
+        constructor(port: number) {
+            super(ULTRASONIC_SVG, "ultrasonic", NodeType.UltrasonicSensor, port);
+        }
+    }
+}