Rename fletch -> dartino

src/vm/program_info_block.cc

 // 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/program_info_block.h"
 
-namespace fletch {
+namespace dartino {
 
 class PointerReadingVisitor : public PointerVisitor {
  public:
   explicit PointerReadingVisitor(ProgramInfoBlock* info)
       :
 #ifdef DEBUG
         info_(info),
 #endif
         target_(info->roots()) {
   }
@@ skipping 56 matching lines @@
   set_main_arity(program->main_arity());
 }
 
 void ProgramInfoBlock::WriteToProgram(Program* program) {
   ASSERT(program->session() == NULL);
   PointerWritingVisitor writer(this);
   program->IterateRoots(&writer);
   program->set_main_arity(main_arity());
 }
 
-}  // namespace fletch
+}  // namespace dartino