Merge branch '1.5.x' into 2.0.x

Author: snicoll

spring-boot-project/spring-boot-docs/src/main/asciidoc/getting-started.adoc

@@ -493,7 +493,7 @@ problem, check there first.
 You can shortcut the steps below by going to https://start.spring.io and choosing the
 "Web" starter from the dependencies searcher. Doing so generates a new project structure
 so that you can <<getting-started-first-application-code,start coding right away>>. Check
-the https://github.com/spring-io/initializr[Spring Initializr documentation] for more
+the {spring-initializr-reference}/#user-guide[Spring Initializr documentation] for more
 details.
 ====
 

spring-boot-project/spring-boot-docs/src/main/asciidoc/index.adoc

@@ -42,6 +42,7 @@ Phillip Webb; Dave Syer; Josh Long; Stéphane Nicoll; Rob Winch; Andy Wilkinson;
 :spring-boot-gradle-plugin: https://docs.spring.io/spring-boot/docs/{spring-boot-docs-version}/gradle-plugin
 :spring-boot-gradle-plugin-reference: https://docs.spring.io/spring-boot/docs/{spring-boot-docs-version}/gradle-plugin/reference/html
 :spring-reference: https://docs.spring.io/spring/docs/{spring-docs-version}/spring-framework-reference/
+:spring-initializr-reference: https://docs.spring.io/initializr/docs/current/reference/htmlsingle
 :spring-rest-docs: https://projects.spring.io/spring-restdocs/
 :spring-integration: https://projects.spring.io/spring-integration/
 :spring-session: https://projects.spring.io/spring-session/