Rename fletch -> dartino

pkg/raspberry_pi/lib/sense_hat.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.
 
 /// 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
@@ skipping 31 matching lines @@
 ///     var temp = hat.readTemperature();
 ///     var humidity = hat.readHumidity();
 ///     var pressure = hat.readPressure();
 ///     var accel = hat.readAccel();
 ///     print('${accel.pitch} ${accel.roll} $temp $humidity $pressure');
 ///   }
 /// }
 /// ```
 library raspberry_pi.sense_hat;
 
-import 'dart:fletch.ffi';
+import 'dart:dartino.ffi';
 
 import 'package:i2c/i2c.dart';
 import 'package:i2c/devices/hts221.dart';
 import 'package:i2c/devices/lps25h.dart';
 import 'package:i2c/devices/lsm9ds1.dart';
 
 // Foreign functions used.
 final ForeignFunction _open = ForeignLibrary.main.lookup('open');
 final ForeignFunction _mmap = ForeignLibrary.main.lookup('mmap');
 
@@ skipping 157 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();
 }