Merge branch '1.5.x' into 2.0.x

Author: wilkinsona

spring-boot-project/spring-boot-docs/pom.xml

@@ -937,7 +937,7 @@
 										<link>https://docs.spring.io/spring-framework/docs/${spring.version}/javadoc-api/</link>
 										<link>https://docs.spring.io/spring-security/site/docs/${spring-security.version}/api/</link>
 										<link>https://tomcat.apache.org/tomcat-8.5-doc/api/</link>
-										<link>http://download.eclipse.org/jetty/stable-9/apidocs/</link>
+										<link>https://www.eclipse.org/jetty/javadoc/${jetty.version}/</link>
 										<link>http://www.thymeleaf.org/apidocs/thymeleaf/${thymeleaf.version}/</link>
 									</links>
 								</configuration>