Rebuild (pmns) - top-level names to cull not quite right
Rebuild (pmns) - top-level names to cull not quite right

Rework logic slightly to accommodate proc and cgroup metrics coming
from either the Linux or the proc PMDA.

andyvand/cygpcpfans,wuliming/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,adfernandes/pcp,mbaldessari/pcp,prasincs/pcp,edwardt/pcp,edwardt/pcp,tjanez/pcp,mbaldessari/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,aeg-aeg/pcpfans,ryandoyle/pcp_original,andyvand/cygpcpfans,adfernandes/pcp,edwardt/pcp,wuliming/pcp,andyvand/cygpcpfans,mbaldessari/pcp,wuliming/pcp,mbaldessari/pcp,andyvand/cygpcpfans,edwardt/pcp,wuliming/pcp,prasincs/pcp,tjanez/pcp,edwardt/pcp,andyvand/cygpcpfans,ryandoyle/pcp_original,ryandoyle/pcp_original,edwardt/pcp,prasincs/pcp,prasincs/pcp,adfernandes/pcp,mbaldessari/pcp,andyvand/cygpcpfans,wuliming/pcp,tjanez/pcp,adfernandes/pcp,prasincs/pcp,ryandoyle/pcp_original,edwardt/pcp,prasincs/pcp,aeg-aeg/pcpfans,tjanez/pcp,wuliming/pcp,ryandoyle/pcp_original,adfernandes/pcp,ryandoyle/pcp_original,ryandoyle/pcp_original,prasincs/pcp,aeg-aeg/pcpfans,aeg-aeg/pcpfans,prasincs/pcp,edwardt/pcp,wuliming/pcp,ryandoyle/pcp_original,aeg-aeg/pcpfans,adfernandes/pcp,adfernandes/pcp,tjanez/pcp,mbaldessari/pcp,adfernandes/pcp,tjanez/pcp,tjanez/pcp,wuliming/pcp,aeg-aeg/pcpfans,tjanez/pcp