Merge branches 'develop' and 'feature-yu.sun-material-20201030' of http://gitlab.freemud.com/order-group-application/order-group into develop

# Conflicts:
#	assortment-ordercenter-sdk/pom.xml
#	assortment-ordercenter-sdk/readme.md
#	assortment-ordercenter-sdk/src/main/java/com/freemud/sdk/api/assortment/order/adapter/OrderSdkAdapter.java
#	order-application-service/pom.xml
#	order-application-service/src/main/java/cn/freemud/adapter/OrderAdapter.java
#	ordercenter-sdk/pom.xml
#	ordercenter-sdk/readme.md
#	shopping-cart-application-service/src/main/java/cn/freemud/entities/dto/ActivityCalculationDiscountRequestDto.java
#	shopping-cart-application-service/src/main/java/cn/freemud/entities/dto/activity/ActivityDiscountsDto.java
#	shopping-cart-application-service/src/main/java/cn/freemud/entities/vo/ShoppingCartInfoRequestVo.java
#	shopping-cart-application-service/src/main/java/cn/freemud/enums/ResponseResult.java
#	shopping-cart-application-service/src/main/java/cn/freemud/service/impl/mcoffee/ShoppingCartMCoffeeServiceImpl.java