Rename fletch -> dartino

src/vm/dartino_api_impl.h

 // 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.
 
-main() {
-  while (true) {
-    var a = foo();
-    print(a);
-  }
-  bar();
-}
+#ifndef SRC_VM_DARTINO_API_IMPL_H_
+#define SRC_VM_DARTINO_API_IMPL_H_
 
-foo() {
-  return 'fisk';
-}
+#include "include/dartino_api.h"
 
-bar() {
-  return 'hest';
-}
+#endif  // SRC_VM_DARTINO_API_IMPL_H_