added whenever gem
Merge branch 'develop' of github.com:fairnopoly/fairnopoly into develop

Notwendig um auf den aktuellsten Stand zu kommen
Merge branch 'develop' of github.com:fairnopoly/fairnopoly into develop

for getting up-to-date
first commit with invoice model
all up to date
monday morning release before checkout
Dienstag Mittag commit
Dienstag nachmittags commit
Mittwoch morgen commit...
TransactionObserver changed
Merge branch 'develop' into dev_invoice
Thu morning commit
Donnerstag Feierabend Commit
Fr nachmittag, Rechnungsbasisfunktionalität (intern) fertig...
changed invoice_controller
added Date methods for due date to invoice model
Merge branch 'dev_invoice' of github.com:fairnopoly/fairnopoly into dev_invoice
merged develop into dev_invoice
added methods for adding quaerterly_fee and total_fee calculation to invoice model
Dienstag abend - check due_date