Fix _get_pids_by_name for Mac OS X.  Here we have a ps binary that can return a time string of the form HH:MM.SS instead of the expected HH:MM:SS used everywhere else.
Fix _get_pids_by_name for Mac OS X.  Here we have a ps binary
that can return a time string of the form HH:MM.SS instead of
the expected HH:MM:SS used everywhere else.

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