cmd/scollector: prevent 'invalid collector folder name: etc/lib' errors
cmd/scollector: prevent 'invalid collector folder name: etc/lib' errors

bookingcom/bosun,TrentScholl/bosun,TrentScholl/bosun,melifaro/bosun,TrentScholl/bosun,melifaro/bosun,TrentScholl/bosun,melifaro/bosun,CheRuisiBesares/bosun,Skyscanner/bosun,alienth/bosun,GROpenSourceDev/bosun,bookingcom/bosun,bookingcom/bosun,noblehng/bosun,simnv/bosun,csmith-palantir/bosun,csmith-palantir/bosun,bosun-monitor/bosun,augporto/bosun,leapar/bosun,alienth/bosun,leapar/bosun,noblehng/bosun,seekingalpha/bosun,csmith-palantir/bosun,leapar/bosun,bosun-monitor/bosun,CheRuisiBesares/bosun,csmith-palantir/bosun,leapar/bosun,simnv/bosun,Skyscanner/bosun,csmith-palantir/bosun,GROpenSourceDev/bosun,alienth/bosun,noblehng/bosun,augporto/bosun,leapar/bosun,csmith-palantir/bosun,GROpenSourceDev/bosun,augporto/bosun,mhenderson-so/bosun,bosun-monitor/bosun,melifaro/bosun,augporto/bosun,melifaro/bosun,augporto/bosun,GROpenSourceDev/bosun,simnv/bosun,noblehng/bosun,noblehng/bosun,Skyscanner/bosun,bookingcom/bosun,Skyscanner/bosun,bosun-monitor/bosun,Skyscanner/bosun,TrentScholl/bosun,bookingcom/bosun,seekingalpha/bosun,seekingalpha/bosun,GROpenSourceDev/bosun,seekingalpha/bosun,simnv/bosun,bookingcom/bosun,alienth/bosun,simnv/bosun,mhenderson-so/bosun,GROpenSourceDev/bosun,seekingalpha/bosun,CheRuisiBesares/bosun,TrentScholl/bosun,alienth/bosun,mhenderson-so/bosun,CheRuisiBesares/bosun,noblehng/bosun,simnv/bosun,Skyscanner/bosun,seekingalpha/bosun,mhenderson-so/bosun,leapar/bosun,augporto/bosun,bosun-monitor/bosun,bosun-monitor/bosun,mhenderson-so/bosun,alienth/bosun,melifaro/bosun,CheRuisiBesares/bosun,CheRuisiBesares/bosun,mhenderson-so/bosun