Upgrade to Spring Boot 1.5.3

server/pom.xml

     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>1.5.2.RELEASE</version>
+        <version>1.5.3.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>