bustle: add top-level alias

Changed files
+2
pkgs
top-level
+2
pkgs/top-level/all-packages.nix
···
buildtorrent = callPackage ../tools/misc/buildtorrent { };
+
bustle = haskellPackages.bustle;
+
bwm_ng = callPackage ../tools/networking/bwm-ng { };
byobu = callPackage ../tools/misc/byobu {