title: Cant resolve scss loader in Vuejs element ui template
body: <p>Hi i was trying to use element ui template for vue js 2. I have followed this guide <a href="http://element.eleme.io/#/en-US/component/quickstart" rel="nofollow noreferrer">http://element.eleme.io/#/en-US/component/quickstart</a> but i am getting an error of  Module not found : cant resolve scss loader in file App.vue. This is my package.json </p>
  
  <pre><code>{
    "name": "testvuejs",
    "description": "A Vue.js project",
    "version": "1.0.0",
    "author": "AbdurRehman &lt;abdurrehman@getperkup.com&gt;",
    "private": true,
    "scripts": {
      "dev": "cross-env NODE_ENV=development webpack-dev-server --open --hot",
      "build": "cross-env NODE_ENV=production webpack --progress --hide-modules"
    },
    "dependencies": {
      "element-ui": "^1.2.9",
      "vue": "^2.2.1"
    },
    "devDependencies": {
      "babel-core": "^6.0.0",
      "babel-loader": "^6.0.0",
      "babel-preset-latest": "^6.0.0",
      "cross-env": "^3.0.0",
      "css-loader": "^0.25.0",
      "file-loader": "^0.9.0",
      "node-sass": "^4.5.2",
      "sass-loader": "^5.0.1",
      "style-loader": "^0.13.1",
      "vue-loader": "^11.1.4",
      "vue-template-compiler": "^2.2.1",
      "webpack": "^2.2.0",
      "webpack-dev-server": "^2.2.0"
    }
  }
  </code></pre>
  
  <p>This is my webpack.config.js </p>
  
  <pre><code>var path = require('path')
  var webpack = require('webpack')
  
  module.exports = {
    entry: './src/main.js',
    output: {
      path: path.resolve(__dirname, './dist'),
      publicPath: '/dist/',
      filename: 'build.js'
    },
    module: {
      loaders: [
        {
          test: /\.vue$/,
          loader: 'vue-loader'
        },
        {
          test: /\.js$/,
          loader: 'babel-loader',
          exclude: /node_modules/
        },
        {
          test: /\.css$/,
          loader: 'style-loader!css-loader'
        },
        {
          test: /\.(eot|svg|ttf|woff|woff2)(\?\S*)?$/,
          loader: 'file-loader'
        },
        {
          test: /\.(png|jpe?g|gif|svg)(\?\S*)?$/,
          loader: 'file-loader',
          query: {
            name: '[name].[ext]?[hash]'
          }
        }
      ]
    },
    devServer: {
      historyApiFallback: true,
      noInfo: true
    },
    devtool: '#eval-source-map'
  }
  
  if (process.env.NODE_ENV === 'production') {
    module.exports.devtool = '#source-map'
    // http://vue-loader.vuejs.org/en/workflow/production.html
    module.exports.plugins = (module.exports.plugins || []).concat([
      new webpack.DefinePlugin({
        'process.env': {
          NODE_ENV: '"production"'
        }
      }),
      new webpack.optimize.UglifyJsPlugin({
        compress: {
          warnings: false
        }
      })
    ])
  }
  </code></pre>
  
  <p>And finally my main.js </p>
  
  <pre><code>import Vue from 'vue'
  import ElementUI from 'element-ui'
  import 'element-ui/lib/theme-default/index.css'
  import App from './App.vue'
  
  Vue.use(ElementUI)
  
  new Vue({
        el: '#app',
        render: h =&gt; h(App)
  })
  </code></pre>
  
  <p>This is the github link for the package </p>
  
  <p><a href="https://github.com/ElemeFE/element" rel="nofollow noreferrer">https://github.com/ElemeFE/element</a></p>