conditional normalization fix
conditional normalization fix

systemjs/builder,lookfirst/builder,alexisvincent/builder,systemjs/builder,whitneyit/builder,jrauschenbusch/builder,systemjs/builder,jrauschenbusch/builder,jrauschenbusch/builder,alexisvincent/builder,whitneyit/builder,alexisvincent/builder,lookfirst/builder