sync with qof changes (renames some macros and a file)

[Linas Vepstas]

Log Message:
-----------
sync with qof changes (renames some macros and a file)

Tags:
----
backend-work-1

Modified Files:
--------------
    gnucash/src/business/business-core:
        gncBillTerm.c
        gncCustomer.c
        gncEmployee.c
        gncEntry.c
        gncInvoice.c
        gncJob.c
        gncOrder.c
        gncTaxTable.c
        gncVendor.c