ghc-distributive-0.5.0.2-2.3

- Update to version 0.5.0.2 revision 0 with cabal2obs.

- update to 0.5.0.2
  * Added flags for removing some dependencies.
  * upport doctests when building to non-standard locations (such as when using stack.)
  * Support base-orphans

- correct licence to BSD-2-Clause

- initial commit