removed unnecessary comma from default style, skip empty style files (don't throw exception)
removed unnecessary comma from default style, skip empty style files (don't throw exception)

FokkeZB/alloy,4talesa/alloy,xavierlacot/alloy,jppope/alloy,mobilehero/adamantium,brentonhouse/brentonhouse.alloy,4talesa/alloy,WY08271/alloy,bhatfield/alloy,jppope/alloy,FokkeZB/alloy,jvkops/alloy,brentonhouse/brentonhouse.alloy,jvkops/alloy,indera/alloy,jppope/alloy,bhatfield/alloy,xavierlacot/alloy,jvkops/alloy,indera/alloy,xavierlacot/alloy,NadsonFernando/alloy,brentonhouse/brentonhouse.alloy,NadsonFernando/alloy,FokkeZB/alloy,bhatfield/alloy,mobilehero/adamantium,4talesa/alloy,WY08271/alloy,mobilehero/adamantium,indera/alloy,WY08271/alloy,NadsonFernando/alloy