message: added quotes around the keyfile
  This allows for folders with spaces in them to be parsed correctly
diff: @@ -323,7 +323,7 @@ module.exports = {
  activateServiceAccount: function(config) {
  return new Promise((resolve, reject) => {
  try {
  - exec('gcloud auth activate-service-account --key-file=' + config.keyFile, function(error, stdout, stderr ) {
  + exec('gcloud auth activate-service-account --key-file="' + config.keyFile + '"', function(error, stdout, stderr ) {
  if (error) {
  if (stderr || error) {
  return reject(new Error('Could not activate your service account: ' + stderr));
  