def get_default_licence():
return Licence.objects.get_or_create(<EOL>name=getattr(settings, "<STR_LIT>",<EOL>'<STR_LIT>')<EOL>)[<NUM_LIT:0>]<EOL>
Returns a default Licence, creates it if it doesn't exist.
Needed to prevent a licence deletion from deleting all the linked
maps.