Change sphinx-dev to sphinx-users where applicable.

EXAMPLES

@@ -4,7 +4,7 @@ Projects using Sphinx
 This is an (incomplete) alphabetic list of projects that use Sphinx or
 are experimenting with using it for their documentation.  If you like to
 be included, please mail to `the Google group
-<http://groups.google.com/group/sphinx-dev>`_.
+<http://groups.google.com/group/sphinx-users>`_.
 
 I've grouped the list into sections to make it easier to find
 interesting examples.

doc/_templates/indexsidebar.html

@@ -20,8 +20,8 @@ <h3>Download</h3>
 
 <h3>Questions? Suggestions?</h3>
 
-<p>Join the <a href="http://groups.google.com/group/sphinx-dev">Google group</a>:</p>
-<form action="http://groups.google.com/group/sphinx-dev/boxsubscribe"
+<p>Join the <a href="http://groups.google.com/group/sphinx-users">Google group</a>:</p>
+<form action="http://groups.google.com/group/sphinx-users/boxsubscribe"
       style="padding-left: 1em">
   <input type="text" name="email" value="your@email"/>
   <input type="submit" name="sub" value="Subscribe" />

sphinx/cmdline.py

@@ -223,7 +223,7 @@ def main(argv):
                                 'can be provided next time.')
                 print >>error, (
                     'Either send bugs to the mailing list at '
-                    '<http://groups.google.com/group/sphinx-dev/>,\n'
+                    '<http://groups.google.com/group/sphinx-users/>,\n'
                     'or report them in the tracker at '
                     '<http://bitbucket.org/birkenfeld/sphinx/issues/>. Thanks!')
             return 1