Update project authors statements to Dartino

pkg/mqtt/lib/mqtt.dart

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 /// MQTT client library for the [MQTT protocol](http://mqtt.org/), a lightweight
 /// IoT pub/sub messaging protocol.
 ///
 /// The implementation uses the [Paho C client
 /// library](http://git.eclipse.org/c/paho/org.eclipse.paho.mqtt.c.git/about/).
 ///
 /// Usage
@@ skipping 215 matching lines @@
           var handler = subscriptions[msg.topic];
           if (handler != null) {
             // Call the event handler for topic.
             handler(msg.message, msg.topic);
           }
         }
       }
     }
   }
 }