Change default site footer.
Some Template improve.
Improve ``base_site.html`` template, add ``top-nav`` block
Add ModelAdminView.queryset method filter hook, and improve auth plugin.
Django 1.7 remove HttpResponse argument ``mimetype`` instead of ``content_type``.
Fix some plugins bug.
Fix reset password form icon
Delete models action can delete models one by one use attr ``delete_models_batch = False``
Merge branch 'django1.7' of github.com:sshwsfc/django-xadmin into django1.7