Update project authors statements to Dartino

samples/raspberry-pi2/basic/blinky.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.
 //
 // The 'hello world' of embedded: Blinking an LED. Uses the on-board
 // Raspberry Pi 2 activity LED.
 
 import 'package:gpio/gpio.dart';
 import 'package:raspberry_pi/raspberry_pi.dart';
 import 'package:os/os.dart';
 
 main() {
   // Initialize Raspberry Pi and configure the activity LED to be GPIO
   // controlled.
   RaspberryPi pi = new RaspberryPi();
   pi.leds.activityLED.setMode(OnboardLEDMode.gpio);
 
   // Turn LED on and off in a continuous loop.
   while (true) {
     pi.leds.activityLED.on();
     sleep(500);
     pi.leds.activityLED.off();
     sleep(500);
   }
 }