Ticket #32 + minor CSS modifications.

lib/__init__.py

@@ -50,6 +50,10 @@ def _render(request, tpl, user_context):
     return render_to_response(tpl, user_context, 
                               context_instance=RequestContext(request))
 
+def _render_error(request, user_context):
+    return render_to_response("common/error.html", user_context,
+                              context_instance=RequestContext(request))
+
 def exec_as_vuser(cmd):
     code, output = exec_pipe("sudo -u %s %s" % (settings.VIRTUAL_UID, cmd))
     if code:

lib/email_listing.py

@@ -80,7 +80,8 @@ class EmailListing:
     def __init__(self, folder=None, elems_per_page=40, **kwargs):
         self.folder = folder
         self.elems_per_page = elems_per_page
-        self.paginator = Paginator(self.mbc.messages_count(self.folder), 
+        order = "order" in kwargs.keys() and kwargs["order"] or None
+        self.paginator = Paginator(self.mbc.messages_count(self.folder, order), 
                                    elems_per_page)
 
     def render_navbar(self, page):

lib/parameters.py

@@ -24,7 +24,7 @@ class NotDefined(Exception):
         return "Application '%s' and/or parameter '%s' not defined" % (self.app,
                                                                        self.name)
 
-def register(app, name, type="string", deflt=None, help=None):
+def register(app, name, type="string", deflt=None, help=None, **kwargs):
     """Register a new parameter.
 
     app corresponds to a core component (admin, main) or an extension.