Better screen zoom that makes use of the full width of the simulator. (#471)

sim/visuals/nodes/brickViewPortrait.ts

@@ -0,0 +1,13 @@
+/// <reference path="./moduleView.ts" />
+
+namespace pxsim.visuals {
+
+    export class BrickViewPortrait extends BrickView implements LayoutElement {
+
+        constructor(port: number) {
+            super(EV3_SVG, "board", port);
+
+            this.btnids = ["btn_up", "btn_enter", "btn_down", "btn_right", "btn_left", "btn_back"];
+        }
+    }
+}