Added get_absolute_url in blog list
Added channel to class
Merge branch 'master' of github.com:opps/opps-blogs

* 'master' of github.com:opps/opps-blogs:
  Fix access in add post
  Fix list post multi blog access
  Fix get() returned more than one Blog -- it returned 2 in get form and has_add_permission
  Fix create access, add method has_add_permission
  Add method get form in admin blog permission filter blog access
  add method queryset, super (AdminViewPermission) more blog user access if not access in blog set queryset none
  Create class admin blog permission access extend admin view permission