chore(package) update systemjs-builder to 0.13.1
chore(package) update systemjs-builder to 0.13.1

felquis/vanilla-es6-jspm,topheman/vanilla-es6-jspm,felquis/vanilla-es6-jspm,Andersos/vanilla-es6-jspm,Andersos/vanilla-es6-jspm,Andersos/vanilla-es6-jspm,topheman/vanilla-es6-jspm,felquis/vanilla-es6-jspm,topheman/vanilla-es6-jspm