mabdullahz/LP-1729: fix login (#1392)
mabdullahz/LP-1729: fix login (#1392)

* Use new template for login

* Change templates to render in view

* Removed registration extra code

* Removed unused imports

philanthropy-u/edx-platform,philanthropy-u/edx-platform,philanthropy-u/edx-platform,philanthropy-u/edx-platform