Update project authors statements to Dartino

platforms/stm/disco_fletch/src/circular_buffer.cc

-// 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.
 
 #include "platforms/stm/disco_fletch/src/circular_buffer.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 CircularBuffer::CircularBuffer(size_t capacity) {
   monitor_ = fletch::Platform::CreateMonitor();
@@ skipping 75 matching lines @@
     bytes =  MIN(tail_ - head_ - 1, count - written);
     memcpy(buffer_ + head_, data + written, bytes);
     written += bytes;
     head_ = (head_ + bytes) % capacity_;
   }
 
   monitor_->Notify();
 
   return written;
 }