Update project authors statements to Dartino

src/vm/fletch_relocation_api_impl.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 "src/vm/fletch_relocation_api_impl.h"
 #include "src/vm/object_memory.h"
 #include "src/vm/program.h"
 #include "src/vm/program_info_block.h"
 #include "src/vm/program_relocator.h"
 
 size_t FletchGetProgramSize(FletchProgram program) {
   fletch::Program* fletch_program = reinterpret_cast<fletch::Program*>(program);
   return fletch_program->program_heap_size() + sizeof(fletch::ProgramInfoBlock);
 }
 
 int FletchRelocateProgram(FletchProgram program, void* target, uintptr_t base) {
   if (base % fletch::kPageSize != 0) return -1;
   fletch::Program* fletch_program = reinterpret_cast<fletch::Program*>(program);
   fletch::ProgramHeapRelocator relocator(
       fletch_program, reinterpret_cast<uint8*>(target), base);
   return relocator.Relocate();
 }