Update to 2.4.1

• Update RUN_DEPENDS: use Django metaport (www/py-django)
• While I'm here:
  • Add LICENSE_FILE
  • Add missing RUN_DEPENDS
  • Add NO_ARCH
  • Simplify CONFLICTS_INSTALL

Changes: https://github.com/ubernostrum/django-registration/commits/master
PR: 226479
Submitted by: Kevin Golding <ports@caomhin.org> (maintainer)