#798 - Polishing.

Switched to javadoc:javadoc goal as we're not an aggregator project and can prevent the lifecycle restart from being triggered which caused plugins being bound to lifecycle phases before compile to be re-triggered.

Upgraded to Asciidoctor Maven Plugin 1.5.7.1.

pom.xml

@@ -230,7 +230,7 @@
 							<execution>
 								<id>aggregate-javadoc</id>
 								<goals>
-									<goal>aggregate</goal>
+									<goal>javadoc</goal>
 								</goals>
 								<phase>package</phase>
 							</execution>
@@ -263,7 +263,7 @@
 					<plugin>
 						<groupId>org.asciidoctor</groupId>
 						<artifactId>asciidoctor-maven-plugin</artifactId>
-						<version>1.5.6</version>
+						<version>1.5.7.1</version>
 						<dependencies>
 							<dependency>
 								<groupId>org.asciidoctor</groupId>