YITH Automatic Role Changer for WooCommerce Premium 2.0.0

* New: Support to WooCommerce 3.4.0
* New: Support to WordPress 4.9.6
* Update: Plugin core
* Update: Italian language
* Update: Dutch language

New: The recipients for admin email can be modified.
Update: Plugin core.

Update: Plugin core.
Tweak: Unscheduling the events.
Fix: Tag rules weren't working.
Fix: issues when scheduling the events (add role and remove role).