Added magnetometer calibration to pilot plugin.

Also pass some events through the websocket.

public/css/style.css

@@ -21,13 +21,17 @@
     bottom: 0px;
 }
 
+#controls {
+    float: right;
+}
+
 #glasspane {
-	position: absolute;
-	left: 0px;
-	right: 0px;
-	top: 0px;
-	bottom: 0px;
-	z-index: 100;
+        position: absolute;
+        left: 0px;
+        right: 0px;
+        top: 0px;
+        bottom: 0px;
+        z-index: 100;
 
     -webkit-user-select: none; // webkit (safari, chrome) browsers
     -moz-user-select: none; // mozilla browsers