update gulp-beautify scripts error handling

Update gulp-beautify to 2.0.0 (now using js-beautify) added a plumber
to the scripts task.

Author: carloscuesta

gulpfile.js

@@ -104,6 +104,12 @@ gulp.task('templates', function() {
 
 gulp.task('scripts', function() {
     return gulp.src(routes.scripts.js)
+        .pipe(plumber({
+            errorHandler: notify.onError({
+                title: "Error: Babel and Concat failed.",
+                message:"<%= error.message %>"
+            })
+        }))
         .pipe(concat('script.js'))
         .pipe(babel())
         .pipe(uglify())

package.json

@@ -26,7 +26,7 @@
     "gulp": "^3.9.0",
     "gulp-autoprefixer": "^3.0.1",
     "gulp-babel": "^5.2.1",
-    "gulp-beautify": "^1.1.2",
+    "gulp-beautify": "^2.0.0",
     "gulp-concat": "^2.6.0",
     "gulp-cssimport": "^2.1.1",
     "gulp-imagemin": "^2.3.0",