avoid option conflicts
avoid option conflicts

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