Allow forms to be overriden (closes #511)
Handle custom User model without `id` column
Made login form errors overridable (issue #653)
Merge branch 'master' of github.com:pennersr/django-allauth
Merge pull request #671 from bittner/master

Include Commercial Support paragraph instead of duplication
Merge branch 'master' of github.com:pennersr/django-allauth