Update project authors statements to Dartino

pkg/fletchc/lib/src/messages.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.
 
 library fletchc.messages;
 
 import 'diagnostic.dart' show
     Diagnostic, // For documentation only.
     DiagnosticParameter;
 
 enum DiagnosticKind {
@@ skipping 340 matching lines @@
           "different versions.\nCompiler version: '$userInput'\n"
           "CLI version: '$additionalUserInput'.\n"
           "This can happen if you have recently updated you Fletch SDK. "
           "Try running 'fletch quit' and retry the command.";
 
     case DiagnosticKind.illegalDefine:
       return "The define $userInput has an illegal value part: "
              "$additionalUserInput.";
   }
 }