Rename fletch -> dartino

samples/raspberry-pi2/basic/knight-rider.dart

 // 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.
 //
 // Remember those red running lights KITT had in Knight Rider?
 // https://www.youtube.com/watch?v=Mo8Qls0HnWo
 //
 // This sample recreates those with a chain of LEDs running right and left:
-// https://storage.googleapis.com/fletch-archive/images/knight-rider.mp4
+// https://storage.googleapis.com/dartino-archive/images/knight-rider.mp4
 //
 // For breadboard layout and connections to the Pi, see:
-// https://storage.googleapis.com/fletch-archive/images/k-r-schematic.png
+// https://storage.googleapis.com/dartino-archive/images/k-r-schematic.png
 
 import 'package:gpio/gpio.dart';
 import 'package:raspberry_pi/raspberry_pi.dart';
 import 'package:os/os.dart';
 
 main() {
   // Initialize Raspberry Pi.
   RaspberryPi pi = new RaspberryPi();
 
   // Array constant containing the GPIO pins of the connected LEDs.
@@ skipping 44 matching lines @@
   }
 
   // Sets LED [ledToEnable] to true, and all others to false.
   void _setLeds(int ledToEnable) {
     for (int i = 0; i < leds.length; i++) {
       bool state = (i == ledToEnable);
       _gpio.setPin(leds[i], state);
     }
   }
 }