Add cgroup metrics to system/process MetricSet#2184

Merged

ruflin merged 2 commits intoelastic:masterfrom andrewkroh:feature/mb/process-cgroup

Aug 9, 2016

+3,215-3

Commits on Aug 3, 2016

Update gosigar to cabc0737dc6b82977febbc5c24865259447e1965.
andrewkroh
committed

Commits on Aug 8, 2016

Add cgroup metrics to system/process MetricSet
andrewkroh
committed