Allow for updating the Package Type to be CARRIER centric

As an example ‘FedEx Box-Medium’ has different sized then the ‘UPS Box-Medium’ does, so each should reflect different dimensions (LxWxH)...

Also, if a user selects a ‘FedEx Box-Medium’ the only carrier they should route for, would be FedEx, of course, since the box is a ‘FedEx Box’...

So we need to add a CARRIER field to the UNITTYPE table  (Carrier Package Type), to allow the ROUTE function to be updated to recognize the new carrier criteria…
Removed old add package row code to avoid confusion