UID/GID-D7: add munin
UID/GID-D7: add munin

munin is a user for production roles on Debian.

enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,redhat-cip/edeploy,enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,redhat-cip/edeploy,enovance/edeploy,enovance/edeploy,lebauce/edeploy,lebauce/edeploy