fix percentile support (now supports multiples, and values match statsd)
fix percentile support (now supports multiples, and values match statsd)

jmptrader/statsdaemon,alexclear/statsdaemon,shawnbutts/statsdaemon,aeppert/statsdaemon,eliothedeman/statsdaemon,raintank/statsdaemon,jmptrader/statsdaemon,ploxiln/statsdaemon,bitly/statsdaemon,vimeo/statsdaemon,vimeo/statsdaemon,JamesCohen-awin/statsdaemon,wojtekzw/statsdaemon,raintank/statsdaemon,JamesCohen-awin/statsdaemon,akundu/statsdaemon,aeppert/statsdaemon,mikechris/statsdaemon,nejec/statsdaemon,Huangyan9188/statsdaemon,wojtekzw/statsdaemon,mikechris/statsdaemon,raintank/statsdaemon,vimeo/statsdaemon,mikechris/statsdaemon,akundu/statsdaemon,AudienceScience/statsdaemon,Zariel/statsdaemon,wojtekzw/statsdaemon,ctdk/statsdaemon,Zariel/statsdaemon,gitinsky/statsdaemon,AudienceScience/statsdaemon,bitly/statsdaemon,ploxiln/statsdaemon,deepglint/statsdaemon