title: Getting .Fatal error: grunt.util._.contains is not a function while saving code after grunt debug
body: <p>I have two version of grunt one global and one local.
  grunt-cli v1.2.0
  grunt v1.0.1
  I want to uninstall v1.0.1.
  When running grunt debug command it running successfully but while saving code am getting this fatal error:grunt.util._.contains is not a function.</p>
  
  <p><strong>bower.json</strong></p>
  
  <pre><code>{
    "name": "__",
    "version": "__",
    "devDependencies": {
      "angular": "^1.5.5",
      "angular-ui-router": "^0.2.18",
      "angular-mocks": "^1.5.5",
      "angular-bootstrap": "^1.3.2",
      "ngstorage": "^0.3.10",
      "bootstrap": "^3.3.6",
      "angular-resource": "^1.2.28",
      "ng-file-upload-shim": "^12.0.4",
      "ng-file-upload": "^12.0.4"
    },
    "dependencies": {
      "angularjs-slider": "^5.4.1"
    }
  }
  </code></pre>
  
  <p><strong>package.json</strong></p>
  
  <pre><code>    {
    "author": "....",
    "name": "....",
    "version": "1.0.0",
    "homepage": ".....",
    "licenses": {
      "type": "MIT",
      "url": "...."
    },
    "bugs": "....",
    "repository": {
      "type": "git",
      "url": "..."
    },
    "dependencies": {},
    "devDependencies": {
      "grunt": "^1.0.1",
      "grunt-bump": "0.0.6",
      "grunt-coffeelint": "~0.0.10",
      "grunt-contrib-clean": "^0.4.1",
      "grunt-contrib-coffee": "^0.7.0",
      "grunt-contrib-concat": "^0.3.0",
      "grunt-contrib-copy": "^0.4.1",
      "grunt-contrib-jshint": "^0.4.3",
      "grunt-contrib-less": "~0.11.0",
      "grunt-contrib-uglify": "^0.2.7",
      "grunt-contrib-watch": "^0.4.4",
      "grunt-conventional-changelog": "^0.1.2",
      "grunt-html2js": "^0.1.9",
      "grunt-karma": "^0.8.2",
      "grunt-ng-annotate": "^0.8.0",
      "karma": "^0.12.9",
      "karma-coffee-preprocessor": "^0.2.1",
      "karma-firefox-launcher": "^0.1.3",
      "karma-jasmine": "^0.1.5"
    }
  }
  </code></pre>