Fix acceptedAmount getter/setter
Add getTotalAmount, getNativeTotalAmount to TransactionQuery
Fix codestyle
Fix loan schema, borrower_id is not a primary key
Rename conversation_rate to exchange_rate
Small fix
Add borrower refunds
Add forgivenLoan model
Add new Installment model
Add RepaymentCalculator
Add RepaymentService::addRepayment
Fix schema
Clean up transactionService
Fix code style TransacionService
Fix unit test
Add PropelDB
Refactor database transactions in LoanService
Use default SMTP port
Refactor paymentForm Javascript
Add BidPayment subclass for payments