Dune-release 0.3.0

See full changelog
  • Store config files in ~/.config/dune/ instead of ~/.dune to match what dune is doing (#27, @samoht)
  • Support opam 1.2.2 when linting (#29, @samoht)
  • Use -p <pkg> instead of -n <pkg> to follow dune convention (#30, #42, @samoht)
  • Default to nano if the EDITOR environment variable is not set. (#32, @avsm)
  • Fix location of documentation when odoc creates an _html subdirectory (#34, @samoht)
  • Remove the browse command (#36, @samoht)
  • Re-add the publish delegatation mechanism to allow non-GitHub users to publish packages (see dune-release help delegate) (#37, @samoht)
  • Fix dropping of v at the beginning of version numbers in dune-release opam (#40, @let-def)
  • Add basic token validation (#40, @let-def)