Fixed compatibility with django 1.8
Changed super call of get_queryset to queryset
Use consistent labels in admin.
Merge pull request #94 from benkonrath/consistent-admin-labels

Use consistent labels in admin
Cleared up the Django 1.8 Warning messages.
Upgraded script to be Django 1.7 friendly
Django 1.7 upgrades
Updated the docs to be Django 1.7 friendly
Test Django 1.7!
Okay. Now I think Travis will run D1.7 tests!
Django 1.7 no run on Python 2.6. Exclude tests.
Missing return.
Remove exception.
Merge pull request #91 from mlsen/master

Django 1.8 compatibility
Replace get_query_set with assignment.

Avoid calling the super class by accident, potentially causing loops.
Follow the django-mptt approach here.
docs: use new get_queryset() notation too
Travis and tox: add Django 1.7
admin: split get_queryset() / queryset() methods.

avoid calling loops due to some inherited classes
modernize runtests to fix app loading
Merge branch 'django_1.7_support' of https://github.com/g3rd/django_polymorphic

Conflicts:
	docs/managers.rst
	polymorphic/admin.py
	polymorphic/manager.py
	polymorphic/tests.py
	runtests.py