Issue #2954237 by zero2one: Fatal error when adding/editing menu links

This release requires version 8.x-1.0-beta6 or higher of Configuration Provider.

Changes since 8.x-2.0-alpha1:

• #2954387 by nedjo: Update to work with changes in Configuration Provider

This release fixes an argument type error that prevented some actions from being applied and also includes fixes to the module description and addresses some test failures.

Changes since 8.x-1.0-beta3:

fixed some stuff about JS library and default markup renderers

Demo Framework 8.x-2.0 contains the following updates:

- Adds localization support.
- Page visibility filtering in the settings panel.
- Updates to Readme file.