Include new testing and tests packages in the setup.py

Opted for packages= and not find_packages() as wasn't sure of the
impact on the rest of the setup file. There's some funky stuff
happening in there.

setup.py

@@ -85,7 +85,7 @@ def _hacked_write_toplevel_names(cmd, basename, filename):
     description="Non-blocking web server. "
                 "A facebook's Tornado on top of Twisted.",
     keywords="python non-blocking web server twisted facebook tornado",
-    packages=["cyclone", "twisted.plugins"],
+    packages=["cyclone", "twisted.plugins", "cyclone.tests", "cyclone.testing"],
     package_data={"twisted": ["plugins/cyclone_plugin.py"],
                   "cyclone": ["appskel_default.zip",
                               "appskel_foreman.zip",