Updated javadoc plugin version

Author: guygriffiths

pom.xml

@@ -210,7 +210,7 @@
                 <!-- Create aggregated javadoc for all modules -->
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.10.3</version>
+                <version>3.2.0</version>
                 <configuration>
                     <!-- Output the apidocs to the base directory. These 
                         are ignored in .gitignore for most branches, but NOT in the gh-pages branch. 
@@ -312,7 +312,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.10.1</version>
+                        <version>3.2.0</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>