- Reset most of the fields of Env.t when saving bin-annot files
- Move debugger/envaux.ml to typing/, and add a function to
recover environements from bin-annot files.
- Move tools/typedtreeIter.ml to typing/
- Move the code of typing/typedtreeMap.ml from cmt_format.ml
git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@12702 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02