Extend RequestMock, add RequestBareMock w/o flag
Extend RequestMock, add RequestBareMock w/o flag

RequestMock always pretends that htmlmin has seen the request, so
all other tests work normally.

erikdejonge/django-htmlmin,Zowie/django-htmlmin,cobrateam/django-htmlmin,cobrateam/django-htmlmin,erikdejonge/django-htmlmin,Alcolo47/django-htmlmin,argollo/django-htmlmin,erikdejonge/django-htmlmin,argollo/django-htmlmin,Zowie/django-htmlmin,Alcolo47/django-htmlmin