Update store to make use of convert_mapping_to_xml()
Update store to make use of convert_mapping_to_xml()

Change-Id: I83d7514660174dbaefcacacacaf3c403facca72b

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