fix comment parsing when reading benchmark list
fix comment parsing when reading benchmark list

ptgoetz/storm-benchmark,sapinamin/storm-benchmark-sol,intel-hadoop/storm-benchmark,manuzhang/storm-benchmark,roshannaik/storm-benchmark-sol,ptgoetz/storm-benchmark,roshannaik/storm-benchmark-sol,manuzhang/storm-benchmark,sapinamin/storm-benchmark-sol,ptgoetz/storm-benchmark,intel-hadoop/storm-benchmark