message: Update config.js
  change file ownership from root:root to <user>:<user> depending on uid/gid
diff: @@ -2,6 +2,8 @@ var fs = require("fs");
  var express = require("express");
  var router = express.Router();
  var now = new Date();
  +var userId = 1000;
  +var groupId = 1000;
  router.get("/", function (req, res, next) {
  if (req.user) {
  @@ -58,6 +60,7 @@ router.post("/advanced", function (req, res, next) {
  ("0" + now.getMinutes()).slice(-2) + ":" +
  ("0" + now.getSeconds()).slice(-2));
  fs.appendFileSync(hb.config, JSON.stringify(config, null, 4));
  + fs.chownSync(hb.config, userId,groupId);
  delete require.cache[require.resolve(hb.config)];
  @@ -191,6 +194,7 @@ function save(req, res) {
  ("0" + now.getMinutes()).slice(-2) + ":" +
  ("0" + now.getSeconds()).slice(-2));
  fs.appendFileSync(hb.config, JSON.stringify(config, null, 4));
  + fs.chownSync(hb.config, userId,groupId);
  delete require.cache[require.resolve(hb.config)];
  