Corrected URL in README
Corrected URL in README

JordanReiter/django-mailer,Ubiwhere/django-mailer,temnoregg/django-mailer,asgeirrr/django-mailer,joebos/django-mailer,felixxm/django-mailer,pinax/django-mailer,matllubos/django-mailer,pinax/django-mailer,zamazaljiri/django-mailer,jawed123/django-mailer,ryanshawty/django-mailer,spookylukey/django-mailer,chriscauley/django-mailer