grafana_ansible_pull notations: optionally include runtime
grafana_ansible_pull notations: optionally include runtime

 - #25
 - next step is to update ansible-pull-script.sh to record how long it
   takes and send that with the annotation too

mantti/fgci-tut,CSC-IT-Center-for-Science/fgci-ansible,mantti/fgci-tut,mantti/fgci-tut