Update the CONTRIBUTING.rst file to match the new branch naming scheme
Update the CONTRIBUTING.rst file to match the new branch naming scheme

rossp/django-helpdesk,django-helpdesk/django-helpdesk,rossp/django-helpdesk,rossp/django-helpdesk,django-helpdesk/django-helpdesk,django-helpdesk/django-helpdesk,gwasser/django-helpdesk,rossp/django-helpdesk,django-helpdesk/django-helpdesk,gwasser/django-helpdesk,gwasser/django-helpdesk,gwasser/django-helpdesk