old_contents: 'use strict';
  
  var grunt = require('grunt');
  
  module.exports = {
      package: {
          pkg: grunt.file.readJSON('package.json')
      },
      dev: require('./task/development.js'),
      env: require('./task/environment.js'),
      build: require('./task/build.js'),
      release: require('./task/release.js'),
      deploy: require('./task/deploy.js')
  };
  
new_contents: 'use strict';
  
  var grunt = require('grunt');
  
  module.exports = {
      manifest: {
          pkg: grunt.file.readJSON('package.json')
      },
      dev: require('./task/development.js'),
      env: require('./task/environment.js'),
      build: require('./task/build.js'),
      release: require('./task/release.js'),
      deploy: require('./task/deploy.js')
  };
  
subject: use word manifest