ocaml-result-1.5-160000.3.2

- Remove usage of ocaml-dune-bootstrap, following changes in ocaml-dune

- Build with ocaml-dune-bootstrap

- Update to version 1.5
  Make Result an alias of Stdlib.Result on OCaml >= 4.08.

- Require current dune macros
- Use _service file

- use dune macros from ocaml-rpm-macros

- Update to version 1.4:
  * Support for OCaml 4.08.
  * Switch to dune.
- Changes from version 1.3:
  * Switch to jbuilder.

- Use Group: Development/Languages/OCaml

- Wrap specfile conditionals to fix quilt setup

- Replace tabs with spaces in generated _oasis file

- Build with oasis