fix route:cache and config:cache issue

Add settings directives

[2.0] Fix settings with falsey values not getting returned

Signed-off-by: Micheal Mand <micheal@kmdwebdesigns.com>

Bind current object to the dynamic relations closure

Make TranslationController slim

This allows to change the version at one place only for all core modules.

* Add missing `id` attribute to editor's textarea

Without this, it is impossible to add custom config to a single CKEditor
 instance since `CKEDITOR.replace()` uses the `id` of the field, not the
 name.
Signed-off-by: Micheal Mand <micheal@kmdwebdesigns.com>

* Fix `id` attribute for i18n editor
Signed-off-by: Micheal Mand <micheal@kmdwebdesigns.com>

Signed-off-by: Micheal Mand <micheal@kmdwebdesigns.com>