Add python 3.6 to travis
Add python 3.6 to travis

rsalmaso/django-allauth,pennersr/django-allauth,joshowen/django-allauth,AltSchool/django-allauth,spool/django-allauth,rsalmaso/django-allauth,spool/django-allauth,pennersr/django-allauth,pztrick/django-allauth,bittner/django-allauth,bittner/django-allauth,joshowen/django-allauth,rsalmaso/django-allauth,pztrick/django-allauth,AltSchool/django-allauth,lukeburden/django-allauth,bittner/django-allauth,pennersr/django-allauth,AltSchool/django-allauth,lukeburden/django-allauth,lukeburden/django-allauth,joshowen/django-allauth,pztrick/django-allauth,spool/django-allauth