Convert create_system to split function API
Convert create_system to split function API

This tool does almost no processing, it just creates objects in the
warehouse. Hence, put all the old code in #output.

creideiki/palletjack,notCalle/palletjack,saab-simc-admin/palletjack,saab-simc-admin/palletjack,creideiki/palletjack,notCalle/palletjack