code: function updateWww (cordovaProject, destinations) {
      var sourceDirs = [
          path.relative(cordovaProject.root, cordovaProject.locations.www),
          path.relative(cordovaProject.root, destinations.platformWww)
      ];
  
      // If project contains 'merges' for our platform, use them as another overrides
      var merges_path = path.join(cordovaProject.root, 'merges', 'windows');
      if (fs.existsSync(merges_path)) {
          events.emit('verbose', 'Found "merges/windows" folder. Copying its contents into the windows project.');
          sourceDirs.push(path.join('merges', 'windows'));
      }
  
      var targetDir = path.relative(cordovaProject.root, destinations.www);
      events.emit(
          'verbose', 'Merging and updating files from [' + sourceDirs.join(', ') + '] to ' + targetDir);
      FileUpdater.mergeAndUpdateDir(
          sourceDirs, targetDir, { rootDir: cordovaProject.root }, logFileOp);
  }
docs: Updates platform 'www' directory by replacing it with contents of
  'platform_www' and app www. Also copies project's overrides' folder into
  the platform 'www' folder
  
  @param   {Object}  cordovaProject    An object which describes cordova project.
  @param   {Object}  destinations      An object that contains destination
  paths for www files.