Ensure to be compatible to node 6.x

lib/form/admin/securityGeneral.js

@@ -11,6 +11,6 @@ module.exports = form(
   field('settingForm[security:basicSecret]'),
   field('settingForm[security:restrictGuestMode]').required(),
   field('settingForm[security:registrationMode]').required(),
-  field('settingForm[security:registrationWhiteList]').custom(normalizeCRLF).custom(stringToArray),
+  field('settingForm[security:registrationWhiteList]').custom(normalizeCRLF).custom(stringToArray)
 );
 

lib/form/admin/slackSetting.js

@@ -4,6 +4,6 @@ var form = require('express-form')
   , field = form.field;
 
 module.exports = form(
-  field('slackSetting[slack:token]', 'token'),
+  field('slackSetting[slack:token]', 'token')
 );