get_or_create on currency_usd in accounting
instantiate software plans from our current list of plans in accounting, for use in tests and bootstrapping
pep8 whitespace
new management command to boostrap accounting, starting with software plans
get arbitrary software plan from list of software plans for use in testing
invoice, line items, and credit line models added to accounting
linking subscription to prbac Role
use django models’ builtin .*_set and aggregate
db_index date due
Merge pull request #1965 from dimagi/accounting-invoices

Adding invoicing related models to accounting