Rkt k8s (#834)
Rkt k8s (#834)

* Initial refactoring of cgroup parsing.

* Prototyping for kubernetes case.

* Fix for kubernetes/rkt, has to be tested in such environment.

* Fix for the pod id character stripping.

* Removed extensive logging and commented out lines.

angeloc/sysdig,angeloc/sysdig,angeloc/sysdig,angeloc/sysdig,angeloc/sysdig