功能：with card reader, customers can pay with ATM card online
1. You have to sign a contract with Cathay
2. Cathay will give you some data, enter the data into Cathay payment setting in meepShop
3. Meeshop system will automactically create four return url
5. After Cathay setting up the return url, you have to test by yourself first.
6. When you finish testing, call Cathay to change from 「testing situation」 to 「formal situation」