PLT-7: Refactoring frontend (chunk 10)

- Modals
- Fix bug on msg_typing
- Add missing translations in es.json for EE

web/react/components/setting_item_max.jsx

@@ -85,6 +85,6 @@ SettingItemMax.propTypes = {
     extraInfo: React.PropTypes.element,
     updateSection: React.PropTypes.func,
     submit: React.PropTypes.func,
-    title: React.PropTypes.string,
+    title: React.PropTypes.node,
     width: React.PropTypes.string
 };