title: Gulp ngmin + uglify not working properly
body: <p>I have the following gulp task:</p>
  
  <pre><code>gulp.task('scripts', function() {
  return gulp.src(['app/js/app.js', 'app/config/config.js', 'app/js/controllers.js', 'app/js/directives.js' , 'app/js/filters.js',  'app/js/footer.js',
                   'app/js/guideTour.js', 'app/js/mobileBanner.js', 'app/js/services.js', 'app/js/youtube.js', 'app/js/dataSync.js', 'app/js/addthis.js'])
  //.pipe(jshint('.jshintrc'))
  .pipe(jshint.reporter('default'))
  .pipe(concat('main.js'))
  .pipe(ngmin())
  .pipe(gulp.dest('app/dist/js'))
  .pipe(rename({suffix: '.min'}))
  .pipe(uglify())
  .pipe(gulp.dest('app/dist/js'))
  .pipe(livereload(server))
  .pipe(notify({ message: 'Scripts task complete' }));
  });
  </code></pre>
  
  <p>The problem is that the concatenated file which is also the output of ngmin(), is working fine, but after uglifying the code, something breaks, and I get the <a href="http://docs.angularjs.org/error/$injector/unpr?p0=eProvider%20%3C-%20e" rel="nofollow noreferrer">following error</a>.</p>
  
  <p>With no specific indicator where to start debugging.</p>
  
  <p>Stack trace:</p>
  
  <pre><code>Error: [$injector:unpr] http://errors.angularjs.org/1.2.9/$injector/unpr?p0=eProvider%20%3C-%20e
  at Error (native)
  at http://localhost:8000/angular/angular.min.js:6:449
  at http://localhost:8000/angular/angular.min.js:32:125
  at Object.c [as get] (http://localhost:8000/angular/angular.min.js:30:200)
  at http://localhost:8000/angular/angular.min.js:32:193
  at c (http://localhost:8000/angular/angular.min.js:30:200)
  at Object.d [as invoke] (http://localhost:8000/angular/angular.min.js:30:417)
  at http://localhost:8000/angular/angular-route.min.js:10:302
  at Object.q [as forEach] (http://localhost:8000/angular/angular.min.js:7:380)
  at http://localhost:8000/angular/angular-route.min.js:10:248 
  </code></pre>