openshift/linux-metrics-exporter: Export sysstat and psacct metrics for OpenShift nodes @ 0bdf600676169cce294f93adbe0e0ce6e0625310

Grega Bremec 0bdf600676 throw away imagestreams; switch to uber-jar packaging in exporter		2 gadi atpakaļ
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exporter	0bdf600676 throw away imagestreams; switch to uber-jar packaging in exporter	2 gadi atpakaļ
prometheus	4219b2f28a split imagestreams, add kustomizations, add exporter manifest	2 gadi atpakaļ