Invoke ocamldep and ocamlmklib through ocamlfind.
Use -cclib to pass linker flags via ocamlmklib.
Merge pull request #1 from yallop/ocamlmklib-link-flags

Use -cclib to pass linker flags via ocamlmklib.
Merge pull request #196 from whitequark/ocamlmklib

Invoke ocamldep and ocamlmklib through ocamlfind