qa/738 - refine filter
qa/738 - refine filter

1. accommodate differences in ls -l output
2. accommodate differences in the "permissions" error fron ln(1)

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