set mime type for karma https://github.com/angular/angular-cli/issues/2125#issuecomment-247395088
set mime type for karma https://github.com/angular/angular-cli/issues/2125#issuecomment-247395088

PRX/publish.prx.org,PRX/publish.prx.org,PRX/publish.prx.org,PRX/publish.prx.org