last commit before release 4.01.0

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.01@14008 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
last commit before release 4.01.0+beta1

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.01@14009 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
increment version number after release 4.01.0+beta1

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.01@14011 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02