Move signal tests up to where they belong.
Move signal tests up to where they belong.

wuyuntao/django-registration,danielsokolowski/django-registration,stefankoegl/django-couchdb-utils,stefankoegl/django-registration-couchdb,wuyuntao/django-registration,schmidsi/django-registration,andresdouglas/django-registration,danielsokolowski/django-registration,ratio/django-registration,stefankoegl/django-couchdb-utils,ogirardot/django-registration,stefankoegl/django-registration-couchdb,stefankoegl/django-registration-couchdb,bruth/django-registration2,ogirardot/django-registration,stefankoegl/django-couchdb-utils