Purchase price schema, updated purchase order reference, warning on 0 price
Purchase price for stock registration and update, relevent translation; improved purchase order warnings
Cleaned up/ english for creditor and employee registration
Cleaned up primary cash, fixed links; purchase order / employee formatting and translation (en)
Update primary cash write given new schema, added placeholder module in base.sql
Cash payment status bubble back to client
Merge branch 'dev' of https://github.com/IMA-WorldHealth/Kapok into dev

Conflicts:
	app/partials/primary_cash/primary.js
	scripts/sql/base.sql