Added multi-job recursion support
Added multi-job recursion support

Fixes voxpupuli/puppet-jenkins_job_builder#31
voxpupuli/puppet-jenkins_job_builder,puppet-community/puppet-jenkins_job_builder,voxpupuli/puppet-jenkins_job_builder,madAndroid/puppet-jenkins_job_builder,madAndroid/puppet-jenkins_job_builder,puppet-community/puppet-jenkins_job_builder