Update project authors statements to Dartino

pkg/raspberry_pi/lib/sense_hat.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.
 
 /// API for accessing the devices on the Raspberry Pi Sense HAT add-on board.
 /// See: https://www.raspberrypi.org/products/sense-hat/.
 ///
 /// Currently this has only been tested with a Raspberry Pi 2 and the Sense HAT.
 ///
 /// The following sample code show how to access the devices on the Raspberry Pi
 /// Sense HAT.
@@ skipping 208 matching lines @@
 
   /// Read the current gyroscope measurement.
   GyroMeasurement readGyro() => _lsm9ds1.readGyro();
 
   /// Read the current accelerometer measurement.
   AccelMeasurement readAccel() => _lsm9ds1.readAccel();
 
   /// Read the current magnetometer measurement.
   MagnetMeasurement readMagnet() => _lsm9ds1.readMagnet();
 }