last commit before release 4.01.0+rc1

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.01@14055 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
increment version number after release 4.01.0+rc1

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.01@14057 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02