Add decoded metric type/semantics info into mmvdump.
Add decoded metric type/semantics info into mmvdump.

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