Add ctorrent package

packages/ctorrent.rb

+require 'package'
+
+class Ctorrent < Package
+  description 'CTorrent is a BitTorrent client implemented in C++ to be lightweight and quick.'
+  homepage 'http://www.rahul.net/dholmes/ctorrent/'
+  version '3.3.2'
+  source_url 'http://www.rahul.net/dholmes/ctorrent/ctorrent-dnh3.3.2.tar.gz'
+  source_sha1 'd4e221f0292268f80e2430ce9d451dd64cf1ffaa'
+
+  def self.build
+    system "./configure"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+
+  def self.check
+    system "make", "check"
+  end
+end