update website URL, fix package name in README

README

                               python-nbxmpp
-                      http://python-nbxmpp.gajim.org
+                  http://dev.gajim.org/gajim/python-nbxmpp
 
  The goal of this python library is to provide a way for python applications
 to use Jabber/XMPP networks in a non-blocking way. This library is initialy a
@@ -11,7 +11,7 @@ Simply run 'python setup.py install' as root
 
    Usage
 
-You have to 'import xmpppy' in your program. Then look at examples in the doc
+You have to 'import nbxmpp' in your program. Then look at examples in the doc
 folder.
 
 2012-05-08       Yann Leboulanger

setup.py

@@ -7,6 +7,6 @@ setup(name='nbxmpp',
       description='Non blocking Jabber/XMPP module',
       author='Yann Leboulanger',
       author_email='asterix@lagaule.org',
-      url='http://python-nbxmpp.gajim.org',
+      url='http://dev.gajim.org/gajim/python-nbxmpp',
       packages=['nbxmpp'],
 )