Mention all used projects on about page

docs/install.rst

@@ -20,7 +20,7 @@ Whoosh
     http://bitbucket.org/mchaput/whoosh/
 PyCairo
     http://cairographics.org/pycairo/
-Django-south
+south
     http://south.aeracode.org/
 
 Installation

weblate/html/about.html

@@ -29,6 +29,14 @@
 <th><a href="http://bitbucket.org/mchaput/whoosh/">Whoosh</a></th>
 <td>{{ whoosh_version }}</td>
 </tr>
+<tr>
+<th><a href="http://cairographics.org/pycairo/">PyCairo</a></th>
+<td>{{ cairo_version }}</td>
+</tr>
+<tr>
+<th><a href="http://south.aeracode.org/">south</a></th>
+<td>{{ south_version }}</td>
+</tr>
 </table>
 
 {% endblock %}

weblate/trans/views.py

@@ -1149,12 +1149,16 @@ def about(request):
     import whoosh
     import django
     import git
+    import cairo
+    import south
     return render_to_response('about.html', RequestContext(request, {
         'title': _('About Weblate'),
         'tt_version': translate.__version__.sver,
         'whoosh_version': whoosh.versionstring(),
         'django_version': django.get_version(),
         'git_version': git.__version__,
+        'cairo_version': cairo.version,
+        'south_version': south.__version__,
     }))
 
 @user_passes_test(lambda u: u.has_perm('trans.commit_translation') or u.has_perm('trans.update_translation'))