added django19 envs to .travis.yml file
added django19 envs to .travis.yml file

spookylukey/django-paypal,rsalmaso/django-paypal,rsalmaso/django-paypal,rsalmaso/django-paypal,spookylukey/django-paypal,GamesDoneQuick/django-paypal,GamesDoneQuick/django-paypal,spookylukey/django-paypal