Attempt to fix kwk#53

Somehow grunt-wiredep kicks out bootstrap from the app/index.html file.
This is not nice and we need to find a better way than to simply commen
it out in the build step but for now it fixes the issue of missing
Bootstrap CSS.

Gruntfile.js

@@ -408,7 +408,9 @@ module.exports = function (grunt) {
 
   grunt.registerTask('build', [
     'clean:dist',
-    'wiredep',
+    // Somehow wiredep seems to kick out bootstrap CSS See
+    // docker-registry-frontend issue #53
+    //'wiredep',
     'useminPrepare',
     'concurrent:dist',
     'autoprefixer',