Add list of assigned users to role view page.

This surely could be better still; at least this is *something*.

tailbone/views/roles.py

@@ -260,6 +260,12 @@ class RoleCrud(CrudView):
                 ])
         return fs
 
+    def template_kwargs(self, form):
+        kwargs = super(RoleCrud, self).template_kwargs(form)
+        kwargs['role'] = form.fieldset.model
+        kwargs['guest_role'] = guest_role(Session)
+        return kwargs
+
     def pre_delete(self, model):
         admin = administrator_role(Session())
         guest = guest_role(Session())
@@ -295,7 +301,7 @@ def includeme(config):
 
     config.add_route('role.read', '/roles/{uuid}')
     config.add_view(RoleCrud, attr='read', route_name='role.read',
-                    renderer='/roles/crud.mako',
+                    renderer='/roles/read.mako',
                     permission='roles.read')
 
     config.add_route('role.update', '/roles/{uuid}/edit')