Update javadoc plugin

Author: guygriffiths

pom.xml

@@ -130,7 +130,7 @@
                     <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>
@@ -201,15 +201,14 @@
                 <!-- 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>
                     <goal>javadoc:aggregate</goal>
                     <!-- These links really belong in the child POMs but 
                         if we put them there, they don't seem to get picked up when building the 
                         javadoc for the aggregated project. Therefore if the versions of any of the 
                         dependencies change these links will also have to be updated. -->
                     <links>
-                        <link>http://java.sun.com/j2se/1.6.0/docs/api/</link>
                         <link>http://joda-time.sourceforge.net/api-2.0/</link>
                         <link>http://www.geoapi.org/3.0/javadoc/</link>
                     </links>