The optional parameter 'aggregate' of the goal org.apache.maven.plugins:maven-javadoc-plugin:2.9:javadoc is deprecated anyway (it's subsitution is the goal 'aggregate' itself).

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1476423 13f79535-47bb-0310-9956-ffa450edef68