file name was not descr but desc
Merge pull request #468 from camlspotter/pr

file name was not descr but desc
Add ocamlclean.
Add ocapic.
Add ocamlcc.
Add ocamlpp.
Merge pull request #469 from bvaugon/master

New packages: ocamlclean, ocapic, ocamlcc and ocamlpp.