migrate firewall configuration into database

the ports.json is for the moment server specific

src/settingsdb.js

@@ -11,7 +11,7 @@ exports = module.exports = {
     _clear: clear
 };
 
-var assert = require('assert'),
+const assert = require('assert'),
     BoxError = require('./boxerror.js'),
     database = require('./database.js');
 
@@ -30,8 +30,9 @@ function get(key, callback) {
     });
 }
 
+// won't get the blobs
 function getAll(callback) {
-    database.query(`SELECT ${SETTINGS_FIELDS} FROM settings ORDER BY name`, function (error, results) {
+    database.query(`SELECT ${SETTINGS_FIELDS} FROM settings WHERE value IS NOT NULL ORDER BY name`, function (error, results) {
         if (error) return callback(new BoxError(BoxError.DATABASE_ERROR, error));
 
         callback(null, results);