Re-adding all applications.

pkgs/default.nix

@@ -43,9 +43,9 @@ in rec {
   let
     paths = {
      amg = applications/amg;
-     #qmcpack = applications/qmcpack;
-     #openmc = applications/openmc;
-     #stream = applications/stream;
+     qmcpack = applications/qmcpack;
+     openmc = applications/openmc;
+     stream = applications/stream;
      lammps = applications/lammps;
     };
     rawApplication = name : path: cpDefaultPin path {};