* fix 6427 - update Spring Boot to 2.1.3, update Spring Cloud to Greenwich.RELEASE * cleanup: specify Thymeleaf namespace, `@ComponentScan` is redundant near `@SpringBootApplication`
* fix 6427 - update Spring Boot to 2.1.3, update Spring Cloud to Greenwich.RELEASE * cleanup: specify Thymeleaf namespace, `@ComponentScan` is redundant near `@SpringBootApplication`