Merge branches 'feature/20200511_申请退款接口切换_wuping' and 'qa' of…

Merge branches 'feature/20200511_申请退款接口切换_wuping' and 'qa' of http://gitlab.freemud.com/order-group-application/order-group into qa

# Conflicts:
#	assortment-ordercenter-sdk/pom.xml
#	assortment-ordercenter-sdk/src/main/java/com/freemud/sdk/api/assortment/order/service/order/OrderCenterSdkServiceImpl.java
#	ordercenter-sdk/src/main/java/com/freemud/application/sdk/api/ordercenter/request/OrderCancelReq.java