Initial work to make django-social-auth depend on python-social-auth
Deprecation notice
Move deprecation notice to the top
Move notive even above
Fix links
Remove utils module
Merge branch 'psa2' into psa2_master_merge

Conflicts:
	social_auth/__init__.py
	social_auth/backends/__init__.py
	social_auth/backends/contrib/github.py
	social_auth/backends/contrib/linkedin.py
	social_auth/backends/facebook.py
	social_auth/backends/google.py
	social_auth/db/base.py
	social_auth/db/django_models.py
	social_auth/tests/facebook.py
Merge branch 'master' into psa2

Conflicts:
	social_auth/backends/contrib/github.py
Add missing import
Remove repeated argument
Simplifications on context processors module
Simplify backends code
Remove contrib directory
Fix backend aliases on imports
Merge branch 'master' into psa2

Conflicts:
	social_auth/__init__.py
Restore default HTML redirect on facebook app backend
Call render_html correctly
Deprecation notice on docs
Merge branch 'master' into psa2
Merge branch 'master' into psa2