function getAllChildFqnsHelper(parentObj, parentFqn) {
      for (var i = 0, keys = Object.keys(parentObj), ll = keys.length; i < ll; i++ ) {
        prop = keys[i];
        if (parentObj[prop] && typeof parentObj[prop] === 'object') {
          getAllChildFqnsHelper(parentObj[prop], parentFqn + '.' + prop);
        } else {
          fqns.push(parentFqn + '.' + prop);
        }
      }
      if (ll == 0) {
        fqns.push(parentFqn);
      }
    }
NowUtil: an assorted collection of general-purpose functions used
in NowJS.