Add version info to grafana dashboards (#753)
Add version info to grafana dashboards (#753)

* Add version info to grafana dashboards

* Add version template to dashboard

* Update Version Name

rkpagadala/mixer,istio/old_mixer_repo,jmuk/mixer,douglas-reid/mixer,guptasu/mixer,istio/old_mixer_repo,guptasu/mixer,xiaolanz/mixer,xiaolanz/mixer,guptasu/mixer,ZackButcher/mixer,ZackButcher/mixer,jmuk/mixer,douglas-reid/mixer,ZackButcher/mixer,xiaolanz/mixer,rkpagadala/mixer,istio/old_mixer_repo,douglas-reid/mixer,rkpagadala/mixer,jmuk/mixer