Merge pull request #8 in SITA/sita-paymentservicelib from feature/live_transactions to master
* commit 'ba082c8975aa4b5eeede711ca07496a68b6706fe':
SITA-22 implement online refund
SITA-24 implement online keyed-in transactions
SITA-26 online EMV transaction API
SITA-26 online EMV transaction message
SITA-23 implement online NFC transactions
SITA-23 more online transaction SOAP messages
SITA-25 more SOAP unit tests
SITA-25 abstract SOAP message handling
SITA-21 unit test for payment report XML validation
SITA-21 reorganize class files
SITA-21 add method for excluding active flight from upload, reorganize tests
SITA-21 fix for timezone issues
