Ionic 2 beta45 - ReferenceError: Zone is not defined

package.json

{
  "dependencies": {
    "angular2": "2.0.0-beta.0",
    "es6-promise": "3.0.2",
    "es6-shim": "0.33.13",
    "ionic-framework": "2.0.0-alpha.45",
    "reflect-metadata": "0.1.2",
    "rxjs": "5.0.0-beta.0",
    "zone.js": "0.5.10"
  },
  "devDependencies": {
    "awesome-typescript-loader": "^0.15.9",
    "strip-sourcemap-loader": "0.0.1",
    "typescript": "^1.7.3"
  },
  "name": "ionic2-test",
  "description": "ionic2-test: An Ionic project"
}

webpack.config.js

var path = require('path');

module.exports = {
  entry: [
    path.normalize('es6-shim/es6-shim.min'),
    'reflect-metadata',
    'web-animations.min',
    path.normalize('zone.js/dist/zone-microtask'),
    path.resolve('app/app')
  ],
  output: {
    path: path.resolve('www/build/js'),
    filename: 'app.bundle.js',
    pathinfo: false // show module paths in the bundle, handy for debugging
  },
  module: {
    loaders: [
      {
        test: /\.ts$/,
        loader: 'awesome-typescript',
        query: {
          'doTypeCheck': false
        },
        include: path.resolve('app'),
        exclude: /node_modules/
      },
      {
        test: /\.js$/,
        include: path.resolve('node_modules/angular2'),
        loader: 'strip-sourcemap'
      }
    ],
    noParse: [
      /es6-shim/,
      /reflect-metadata/,
      /web-animations/,
      /zone\.js(\/|\\)dist(\/|\\)zone-microtask/
    ]
  },
  resolve: {
    alias: {
      'web-animations.min': path.normalize('ionic-framework/js/web-animations.min')
    },
    extensions: ["", ".js", ".ts"]
  }
};

ionic.config.js

module.exports = {
  proxies: null,

  paths: {
    html : {
      src: ['app/**/*.html'],
      dest: "www/build"
    },
    sass: {
      src: ['app/app.+(ios|md).scss'],
      dest: 'www/build/css',
      include: ['node_modules/ionic-framework']
    },
    fonts: {
      src: ['node_modules/ionic-framework/fonts/**/*.ttf'],
      dest: "www/build/fonts"
    },
    watch: {
      sass: ['app/**/*.scss'],
      html: ['app/**/*.html'],
      livereload: [
        'www/build/**/*.html',
        'www/build/**/*.js',
        'www/build/**/*.css'
      ]
    }
  },

  autoPrefixerOptions: {
    browsers: [
      'last 2 versions',
      'iOS >= 7',
      'Android >= 4',
      'Explorer >= 10',
      'ExplorerMobile >= 11'
    ],
    cascade: false
  },

  // hooks execute before or after all project-related Ionic commands
  // (so not for start, docs, but serve, run, etc.) and take in the arguments
  // passed to the command as a parameter
  //
  // The format is 'before' or 'after' + commandName (uppercased)
  // ex: beforeServe, afterRun, beforePrepare, etc.
  hooks: {
    beforeServe: function(argv) {
      //console.log('beforeServe');
    }
  }
};