Sync contribute.json license with rest of project
Sync contribute.json license with rest of project

contribute.json claims the license is Mozilla Public License 2, but
LICENSE and setup.py are 4-clause BSD.

aristiden7o/django-nose,daineX/django-nose,millerdev/django-nose,sociateru/django-nose,millerdev/django-nose,krinart/django-nose,aristiden7o/django-nose,franciscoruiz/django-nose,daineX/django-nose,krinart/django-nose,franciscoruiz/django-nose,brilliant-org/django-nose,sociateru/django-nose,harukaeru/django-nose,harukaeru/django-nose,brilliant-org/django-nose,Deepomatic/django-nose,Deepomatic/django-nose