enhanced-ctorrent: Add package

This adds enhanced-ctorrent (ctorrent) which is a CLI-based bittorrent
client written in C++. It is very fast for those times when one wants to
simply add a torrent quick'n'dirty-style.

pkgs/applications/networking/enhanced-ctorrent/default.nix

@@ -0,0 +1,22 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  version = "dnh3.3.2";
+  name = "enhanced-ctorrent";
+  src = fetchurl {
+    url = "http://www.rahul.net/dholmes/ctorrent/ctorrent-dnh3.3.2.tar.gz";
+    sha256 = "0qs8waqwllk56i3yy3zhncy7nsnhmf09a494p5siz4vm2k4ncwy8";
+  };
+
+  meta = {
+    description = "BitTorrent client written in C++";
+    longDescription = ''
+      CTorrent, a BitTorrent client implemented in C++, with bugfixes and
+      performance enhancements.
+    '';
+    homepage = http://www.rahul.net/dholmes/ctorrent/;
+    license = stdenv.lib.licenses.gpl2Plus;
+    platforms = stdenv.lib.platforms.unix;
+    maintainers = [ stdenv.lib.maintainers.devhell ];
+  };
+}