if CROWD_SOURCED_ENTRY_FORM_MODULE is defined but CROWD_SOURCED_ENTRY_FORM_NAME is not, we need to raise an Exception - either both should be defined or neither.
if CROWD_SOURCED_ENTRY_FORM_MODULE is defined but CROWD_SOURCED_ENTRY_FORM_NAME is not, we need to raise an Exception -
either both should be defined or neither.

rmanocha/django-crowdsource