HardwareAssetAdmin: make import more permissive for location name and hardware model.
HardwareAssetAdmin: make import more permissive for location name and hardware model.

scottp-dpaw/oim-cms,scottp-dpaw/oim-cms,rockychen-dpaw/oim-cms,rockychen-dpaw/oim-cms,rockychen-dpaw/oim-cms,scottp-dpaw/oim-cms,parksandwildlife/oim-cms,parksandwildlife/oim-cms,parksandwildlife/oim-cms