def destroy
      # TODO: resolve the fact that there may be more than one for the same
      # provider.  either disallow multiple, or select the correct one.
      auth = Corkboard::Authorization.find_by_provider(params[:provider])
      auth.destroy if auth
      Corkboard.clear_all!

      redirect_to(authorizations_path)
    end
def destroy
      # TODO: resolve the fact that there may be more than one for the same
      # provider.  either disallow multiple, or select the correct one.
      auth = Corkboard::Authorization.find_by_provider(params[:provider])
      auth.destroy if auth
      Corkboard.clear_all!

      redirect_to(authorizations_path)
    end
DELETE /:mount_point/auth/:provider