tornevalls-resurs-bank-payment-gateway-for-woocommerce

Pull request #23: RWC-98

Merge in WWW/tornevall-networks-resurs-bank-payment-gateway-for-woocommerce from RWC-98 to master

* commit '8cdabb75b7c1098df31f64f6d303c70658ad6098':
  Fixed the handling of VAT.
  RWC-98 + RWC-99: Using native coupon texts instead of built in translations. Also fixed the default issue with VAT.