[FIX] add simplejson dependency to setup.py following...

[FIX] add simplejson dependency to setup.py following vmt@openerp.com-20110705122222-bhim9uft3l3sqee8 requiring it

bzr revid: xmo@openerp.com-20110707121446-3cdarrj7s3rny8ie

setup.py

@@ -164,6 +164,7 @@ setup(name             = name,
           'pyyaml',
           'pywebdav',
           'feedparser',
+          'simplejson >= 2.0',
       ],
       extras_require = {
           'SSL' : ['pyopenssl'],