Merge branch '2.5.x'

spring-boot-project/spring-boot-actuator-autoconfigure/src/docs/asciidoc/index.adoc

 [[spring-boot-actuator-web-api-documentation]]
 = Spring Boot Actuator Web API Documentation
-Andy Wilkinson, Stephane Nicoll
+Andy Wilkinson; Stephane Nicoll
 v{gradle-project-version}
 :!version-label:
 :doctype: book

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/asciidoc/index.adoc

 [[spring-boot-gradle-plugin-documentation]]
 = Spring Boot Gradle Plugin Reference Guide
-Andy Wilkinson, Scott Frederick
+Andy Wilkinson; Scott Frederick
 v{gradle-project-version}
 :!version-label:
 :doctype: book

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/docs/asciidoc/index.adoc

 [[spring-boot-maven-plugin-documentation]]
 = Spring Boot Maven Plugin Documentation
-Stephane Nicoll, Andy Wilkinson, Scott Frederick
+Stephane Nicoll; Andy Wilkinson; Scott Frederick
 v{gradle-project-version}
 :!version-label:
 :doctype: book