Update project authors statements to Dartino

pkg/stm32f746g_disco/lib/stm32f746g_disco.dart

-// Copyright (c) 2016, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2016, 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.
 
 library stm32f746g;
 
 import 'package:stm32f746g_disco/gpio.dart';
 import 'package:stm32f746g_disco/lcd.dart';
 import 'package:stm32f746g_disco/uart.dart';
 import 'package:stm32f746g_disco/src/stm32f7_constants.dart';
 
@@ skipping 31 matching lines @@
     return _uart;
   }
 
   FrameBuffer get frameBuffer {
     if (_frameBuffer == null) {
       _frameBuffer = new FrameBuffer();
     }
     return _frameBuffer;
   }
 }