:Optional parameters:
+ :branch: Git branch to build against. (default: master)
+ :cron: How often to run the job on a cron schedule. (default: @daily)
:git-url: URL to clone project from. (default: $GIT_URL/$GERRIT_PROJECT)
:jenkins-silos: Space separated list of Jenkins silos to update
configuration for as defined in ~/.config/jenkins_jobs/jenkins_jobs.ini