Django 1.7 compatibility
Feat: add ModelAdmin to show deleted objects
Add ModelAdmin to handle deleted objects
fix: pyflakes
fix: better admin model test
fix: admin model test for Django 1.3
fix: pyflakes for python 3.2
fix: remove unused mocks in tests
refactor: AdminModel test case
fix: AdminModel test for Django 1.5
Merge pull request #25 from Gagaro/master

Django 1.7 compatibility + Add admin model (with docs and tests)