message: Do not override package.json file
diff: @@ -59,9 +59,10 @@ fs.writeFileSync(dest, fs.readFileSync(packageFile));
  var shrinkwrapFile = process.argv[5];
  if (fs.existsSync(shrinkwrapFile)) {
  + const shrinkWrapDest = path.join(extensionServerDirectory, 'npm-shrinkwrap.json');
  shrinkwrapFile = path.resolve(shrinkwrapFile);
  console.log('Copying npm-shrinkwrap.json to extension\'s server location...');
  - fs.writeFileSync(dest, fs.readFileSync(shrinkwrapFile));
  + fs.writeFileSync(shrinkWrapDest, fs.readFileSync(shrinkwrapFile));
  }
  