added AdminView.
implemented ModelAdminBase2 metaclass.
refactored ModelAdminBase2.
added name argument in AdminView.
migrating the views to be admin views.

generating the get_urls dynamically and
support permissions.
setting attrname for AdminView default name.
implemented AdminView.get_view_kwargs method.
Merge branch 'develop' of https://github.com/twoscoops/django-admin2 into admin_view
Update README.rst
Using six to set the ModelAdminBase2 metaclass.
Merge branch 'develop' into admin_view

Conflicts:
	djadmin2/types.py
added docs about AdminView.