Merge pull request #9352 from izeye:doc-20170530

* pr/9352:
  Add a missing 'io.spring.dependency-management' in doc

Author: snicoll

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

@@ -224,6 +224,7 @@ ifeval::["{spring-boot-repo}" != "release"]
 
 	apply plugin: 'java'
 	apply plugin: 'org.springframework.boot'
+	apply plugin: 'io.spring.dependency-management'
 
 endif::[]
 	jar {