include "contrib" filesystems in setup.py

fs/contrib/davfs/__init__.py

@@ -7,6 +7,10 @@
 This module provides a relatively-complete WebDAV Level 1 client that exposes
 a WebDAV server as an FS object.  Locks are not currently supported.
 
+Requires the dexml module:
+
+    http://pypi.python.org/pypi/dexml/
+
 """
 
 import os

setup.py

@@ -24,7 +24,7 @@ setup(name='fs',
       download_url="http://code.google.com/p/pyfilesystem/downloads/list",
       platforms = ['any'],
       packages=['fs','fs.expose','fs.expose.fuse','fs.tests','fs.wrapfs',
-                'fs.osfs'],
+                'fs.osfs','fs.contrib','fs.contrib.bigfs','fs.contrib.davfs'],
       classifiers=classifiers,
       )