Update campfire to use convert_mapping_to_xml()
Update campfire to use convert_mapping_to_xml()

Change-Id: I04bd0959aab5ce73267fcb9e962a432bd0c2139c

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