Rotate canvas image on client side when necessary. Minicap now always returns the image in upright position for newer devices.

lib/units/device/plugins/screen/stream.js

@@ -389,6 +389,17 @@ module.exports = syrup.serial()
           frameProducer.updateRotation(newRotation)
         })
 
+        frameProducer.on('start', function() {
+          var message = util.format(
+            'start %s'
+          , JSON.stringify(frameProducer.banner)
+          )
+
+          broadcastSet.values().forEach(function(ws) {
+            ws.send(message)
+          })
+        })
+
         frameProducer.on('readable', function next() {
           var frame
           if ((frame = frameProducer.nextFrame())) {