jenkins job builder is a python library to write jenkins jobs in .yml or
.json including templating and basic substition operation.
To update the job call:
Create your own jenkins_jobs.ini based on the exmaple and call
jenkins-jobs --conf ./jenkins_jobs.ini update osmocom-nightly-nitb-split.yml
Change-Id: Ie7c655c6e0e3761e7970e479cadb5ae14faa2c1c