perms object is no longer passed to builtins or filters, we use user instead
(it seems that perms content is different with Django 1.2)
#48 : I think I've found a way to include templatetags dynamically, using add_to_builtins.
Many updates in this commit:
* first work on the webmail plugin, for now only emails listing and folders browsing is supported...
* New login form,
* New graphical layout (still needing improvments)
* code factoring between webmail and quarantine plugins
* etc.