For the modules in MenhirLib, adopt the convention that the first letter of the file name must be capitalized.

Updated myocamlbuild.ml to automatically add for-pack(MenhirLib) to the files listed in menhirLib.mlpack.
This removes the need for explicitly listing these files in the file _tags.

Also, compile Menhir in $$TEMPDIR/$(PACKAGE), not $(PACKAGE).

which needs it. This module still needs cleaning up.

The beginning of a new section on error handling.