Add djang-allauth
Add setting django-allauth

Add related settings for django-allauth
Add accounts url

Add top url for django-allauth.
Add LOGIN_REDIRECT_URL
Add login and logout links.

Add login and logout links in top nav.
Add logout template

Add logout template for allauth.
Remove namespace for account

Remove namespace for account due to how django_allauth url names does
not use account namespace.
Remove account namespace
Add login template
Merge branch 'allauth' into develop

Uses django-allauth and added login and logout.