ocaml/opam-repository — pull request #1622 by c-cube (2014-01-26 18:07:03+00:00)
Title: put datalog doc in a proper subdir

See [this remark](https://github.com/ocaml/opam-repository/commit/f9687f76b6c9d0a6ecffbde796bcb06280d43859)