Added removal of an existing group application when someone else is applying. This makes sure that the fields we do not collect via the form also get wiped when a rejected application is being redone by someone else. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

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from django.dispatch import Signal

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request_started = Signal()

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request_finished = Signal()

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got_request_exception = Signal(providing_args=["request"])