build - make gulp return non-zero error code on bundle fail

gulpfile.js

@@ -296,8 +296,6 @@ function bundleTask(opts) {
     return (
 
       bundler.bundle()
-      // log errors if they happen
-      .on('error', gutil.log.bind(gutil, 'Browserify Error'))
       // convert bundle stream to gulp vinyl stream
       .pipe(source(opts.filename))
       // inject variables into bundle