Update javadoc to use convert_mapping_to_xml()
Update javadoc to use convert_mapping_to_xml()

Change-Id: Id61b59ec78fd4296f12c7402b3850744778bca73

wsoula/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,wsoula/jenkins-job-builder,puppetlabs/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,phinexus/jenkins-job-builder,gforcada/jenkins-job-builder,gforcada/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,phinexus/jenkins-job-builder,wsoula/jenkins-job-builder,rsig/jenkins-job-builder,rsig/jenkins-job-builder,rsig/jenkins-job-builder,rsig/jenkins-job-builder,puppetlabs/jenkins-job-builder,phinexus/jenkins-job-builder,gforcada/jenkins-job-builder,phinexus/jenkins-job-builder,puppetlabs/jenkins-job-builder,OSSystems/jenkins-job-builder,OSSystems/jenkins-job-builder,puppetlabs/jenkins-job-builder,OSSystems/jenkins-job-builder,gforcada/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,wsoula/jenkins-job-builder,gforcada/jenkins-job-builder,OSSystems/jenkins-job-builder,phinexus/jenkins-job-builder,wikimedia/integration-jenkins-job-builder