Merge pull request #2 from philchristensen/master

packaging improvements and pypi support
Merge pull request #1 from sbussetti/master

django 1.5 compat
added setup_requires for setuptools-git
Merge pull request #2 from philchristensen/master

Fix for required setuptools-git during setup()
Merge pull request #3 from freelancersunion/master

Update django-admin-preview to support Django 1.5
django 1.6 compat