chore(bundles): use proper bundle arithmetic for http

Closes angular#4575

Author: pkozlowski-opensource

gulpfile.js

@@ -957,7 +957,7 @@ gulp.task('!bundle.js.min', ['build.js.prod'], function() {
 
  return q.all([
  bundler.bundle(bundleConfig, 'angular2/angular2', './dist/build/angular2.min.js', minBundleConfig),
- bundler.bundle(bundleConfig, 'angular2/http', './dist/build/http.min.js', minBundleConfig),
+ bundler.bundle(bundleConfig, 'angular2/http - angular2/angular2', './dist/build/http.min.js', minBundleConfig),
  bundler.bundle(bundleConfig, 'angular2/router - angular2/angular2', './dist/js/bundle/router.dev.min.js', minBundleConfig)
  ]);
 });