Added Django 1.7 and Django 1.8 to travis.yml
Added Django 1.7 and Django 1.8 to travis.yml

ui/django-post_office,jrief/django-post_office,fapelhanz/django-post_office,ekohl/django-post_office,yprez/django-post_office,ui/django-post_office,RafRaf/django-post_office,JostCrow/django-post_office