YITH WooCommerce Badge Management Premium 3.4.0

* New - support to WordPress 5.2
* Update - plugin framework
* Tweak - added new CSS class for anchor point position

* New - support to WooCommerce 3.6
* New - support to YITH Booking Theme
* Update - language files
* Update - plugin framework

New - Support to WooCommerce 3.5.4
Fix - textdomain for some strings
Fix - timezone issue with starting and ending date
Fix - support to YITH WooCommerce Auctions
Fix - support to YITH WooCommerce Dynamic Pricing and Discounts
Update - plugin framework
Update - language files
Tweak - added CSS class to badges including the product ID
Tweak - pagination for categories in settings
Dev - added yith_wcbm_text_badge_text filter
Dev - added yith_wcbm_css_badge_text filter