Update project authors statements to Dartino

samples/raspberry-pi2/sense-hat/accelerometer/accelerometer.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.
 
 // Sample that runs on a Raspberry Pi 2 with the Sense HAT add-on board.
 // See: https://www.raspberrypi.org/products/sense-hat/.
 //
 // The sample will indicate the current pitch and roll from the
 // accelerometer on the LED array as line segments.
 library sample.accelerometer;
 
@@ skipping 170 matching lines @@
   for (int s = 0; s < 4; s++) {
     for (Direction d in allDirections) {
       drawSegment(hat.ledArray, d, s);
     }
     os.sleep(200);
     for (Direction d in allDirections) {
       drawSegment(hat.ledArray, d, s, color: Color.black);
     }
   }
 }