YITH WooCommerce Badge Management Premium 3.16.0

* Fix - support to YITH WooCommerce Dynamic Pricing and Discounts
* Fix - support to YITH WooCommerce Auctions
* Fix - issues if the yith_wcmb_get_badges_premium is used with the third deprecated param
* Tweak - prevent issues on iOS devices

• New - support to WooCommerce 3.4.x
• New - support to WordPress 4.9.6
• Update - Italian language
• Update - Spanish language
• Update - plugin framework
• Fix - print only published badges
• Fix - badge column style in Product list
• Tweak - added version in styles

Fix - issue in WooCommerce gallery
Fix - on-sale badge issue with themes
Dev - added yith_wcmb_is_wpml_parent_based_on_default_language function
Dev - added yith_wcmb_is_wpml_parent_based_on_default_language filter