Limit VNC size by default.

lib/units/device/plugins/vnc/index.js

@@ -24,6 +24,8 @@ module.exports = syrup.serial()
 
       var opts = {
         name: options.serial
+      , width: options.vncInitialSize[0]
+      , height: options.vncInitialSize[1]
       }
 
       var vnc = new VncServer(net.createServer({
@@ -135,6 +137,8 @@ module.exports = syrup.serial()
           }
 
           conn.on('authenticated', function() {
+            screenStream.updateProjection(
+              options.vncInitialSize[0], options.vncInitialSize[1])
             screenStream.broadcastSet.insert(id, {
               onStart: vncStartListener
             , onFrame: vncFrameListener