protocol: module to application

protocol really is a "buildPythonApplication" rather than a
buildPythonPackage".

pkgs/development/python-modules/protocol/default.nix pkgs/applications/networking/protocol/default.nix

···
-{ stdenv, buildPythonPackage, fetchFromGitHub }:
+{ stdenv, buildPythonApplication, fetchFromGitHub }:
 
-buildPythonPackage rec {
+buildPythonApplication rec {
   pname = "protocol";
   version = "20171226";
 

pkgs/top-level/all-packages.nix

···
 
   pt = callPackage ../applications/misc/pt { };
 
+  protocol = python3Packages.callPackage ../applications/networking/protocol { };
+
   pykms = callPackage ../tools/networking/pykms { };
 
   pyload = callPackage ../applications/networking/pyload {};

pkgs/top-level/python-packages.nix

···
 
   trezor = callPackage ../development/python-modules/trezor { };
 
-  protocol = callPackage ../development/python-modules/protocol { };
-
   trezor_agent = buildPythonPackage rec{
     name = "${pname}-${version}";
     pname = "trezor_agent";