Additional payment, bank statement and voucher addons for OpenERP

Merge proposals dependent on lp://staging/~acysos-team/account-payment/account-payment-sepa-6.1

  1. account-payment-sepa-6.1
  2. Dependent merge proposals

lp://staging/~acysos-team/account-payment/account-payment-sepa-6.1 has no merge proposals.