build javadoc for release

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@2945 71c3de6d-444a-0410-be80-ed276b4c234a

pom.xml

@@ -41,7 +41,7 @@
             also run assembly during the release.
             http://www.nabble.com/Release-Plugin%3A-Include-assemblies-for-deploying-tf2642295s177.html#a7377938
            -->
-          <goals>install assembly:attached deploy</goals>
+          <goals>install javadoc:javadoc assembly:attached deploy</goals>
         </configuration>
       </plugin>
       <plugin>