Add ChildClassListFilter
Add request.GET condition on HideContainerAdmin queryset / PEP8 fixes
Fix migrate run on postgresql - articles
Merge branch 'master' of github.com:opps/opps

* 'master' of github.com:opps/opps:
  Add request.GET condition on HideContainerAdmin queryset / PEP8 fixes
  Add ChildClassListFilter
Remove contrib/db_backend , move to opps/db/backends #240
Fix docstring on postgresql db backend
Fix all_image.html template image thumbnail
Fix boxe queryset filter by site
Add preview url on change_form template
HideContainerAdmin queryset changes
Fix HideContainerAdmin get_list_filter
Implented context manager (class) on redis drive in Opps DB
add close connection on opps db in notification contrib
Fix GetImagesView on /admin/get_images modal
Change pt-br po file
get_containerbox_list adding template tag, returns a list of sublists of containers a containerbox
edit template articlebox_container_list.html
Add container validation on ContainerBoxContainer clean method
Change pt-br po file
Change sitemap.xml view and template