Fix Asciidoctor config/JSR305

Author: garyrussell

Diff for: build.gradle

@@ -5,7 +5,7 @@ buildscript {
 	}
 	dependencies {
 		classpath 'io.spring.gradle:docbook-reference-plugin:0.3.1'
-		classpath 'org.asciidoctor:asciidoctor-gradle-plugin:1.5.3'
+		classpath 'org.asciidoctor:asciidoctor-gradle-plugin:1.5.8'
 		classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
 		classpath "org.jetbrains.kotlin:kotlin-allopen:$kotlinVersion"
 	}
@@ -69,6 +69,7 @@ subprojects { subproject ->
 	ext {
 		assertjVersion = '3.9.1'
 		assertkVersion = '0.10'
+		googleJsr305Version = '3.0.2'
 		hamcrestVersion = '1.3'
 		jacksonVersion = '2.9.5'
 		jaywayJsonPathVersion = '2.4.0'
@@ -95,6 +96,7 @@ subprojects { subproject ->
 
 	// dependencies that are common across all java projects
 	dependencies {
+		compileOnly "com.google.code.findbugs:jsr305:$googleJsr305Version"
 		testCompile "org.junit.jupiter:junit-jupiter-api:$junitJupiterVersion"
 		testRuntime "org.junit.jupiter:junit-jupiter-engine:$junitJupiterVersion"
 		testRuntime "org.junit.platform:junit-platform-launcher:$junitPlatformVersion"
@@ -241,16 +243,16 @@ asciidoctor {
 	logDocuments = true
 	options = [
 		doctype: 'book',
-		attributes: [
-			docinfo: '',
-			toc2: '',
-			'compat-mode': '',
-			imagesdir: '',
-			stylesdir: "stylesheets/",
-			stylesheet: 'golo.css',
-			'spring-kafka-version': "$version",
-			'source-highlighter': 'highlightjs'
-		]
+	]
+	attributes = [
+		docinfo: '',
+		toc2: '',
+		'compat-mode': '',
+		imagesdir: '',
+		stylesdir: "stylesheets/",
+		stylesheet: 'golo.css',
+		'spring-kafka-version': "$version",
+		'source-highlighter': 'highlightjs'
 	]
 }