Remove Grunt completely, add gulp-rev

Gruntfile.js

@@ -1,25 +0,0 @@
-'use strict';
-module.exports = function(grunt) {
-
-  grunt.loadNpmTasks('grunt-wp-assets');
-
-  grunt.initConfig({
-    version: {
-      default: {
-        options: {
-          format: true,
-          length: 32,
-          manifest: 'assets/manifest.json',
-          querystring: {
-            style: 'roots_css',
-            script: 'roots_js'
-          }
-        },
-        files: {
-          'lib/scripts.php': 'assets/{css,js}/{main,scripts}.min.{css,js}'
-        }
-      }
-    }
-  });
-
-};

package.json

@@ -24,19 +24,19 @@
   },
   "devDependencies": {
     "bower": ">=1.3.9",
-    "grunt": "^0.4.5",
-    "grunt-wp-assets": "^0.2.6",
     "gulp": "^3.8.7",
     "gulp-autoprefixer": "0.0.8",
     "gulp-concat": "^2.3.4",
     "gulp-grunt": "^0.5.2",
     "gulp-jshint": "^1.8.4",
+    "jshint-stylish": "^0.4.0",
     "gulp-less": "^1.3.3",
     "gulp-livereload": "^2.1.0",
     "gulp-minify-css": "^0.3.7",
     "gulp-modernizr": "https://github.com/doctyper/gulp-modernizr/tarball/develop",
     "gulp-rename": "^1.2.0",
     "gulp-sourcemaps": "^1.1.1",
-    "gulp-uglify": "^0.3.1"
+    "gulp-uglify": "^0.3.1",
+    "gulp-rev": "^1.1.0"
   }
 }