YITH WooCommerce Deposits and Down Payments Premium 2.19.0

• New Updated plugin framework
• Fix Plugin do not create suborders when only shipping is added to balance

* New: support to WooCommerce 3.5.x
* New: support to WordPress 4.9.8
* New: added suborder status synch when main order is cancelled
* New: deposit template is now loaded via ajax, if dedicated option is enabled
* Tweak: improved YITH WooCommerce Product Add-ons compatibility
* Tweak: improved totals, tax and coupon calculation, when deposit is applied to cart
* Update. Italian language
* Update: Spanish language
* Fix: payment complete status for orders that contains only deposits
* Fix: avoid WooCommerce increasing sales counter twice for a product purchased with deposit
* Dev: new filter yith_wcdp_deposist_value
* Dev: new filter yith_wcdp_product_price_for_deposit_operation
* Dev: new action yith_wcdp_after_add_deposit_to_cart
* Dev: new filter yith_wcdp_show_cart_total to filter cart total displayed value
* Dev: new filter yith_wcdp_show_cart_total_html to filter cart total html
* Dev: new filter yith_wcdp_is_deposit_mandatory to let third party dedvelopers set deposit as mandatory on product level via code

New: WooCommerce 3.3.0 support
New: Updated plugin-fw
New: added nl_NL translation
New: integration with YITH WooCommerce Composite Products
New: added label with order total including balance in the cart
Tweak: do not hide "Add deposit to Cart" form in variable product when variation handling is not available
Tweak: moved Balances email sending to order completed action
Tweak: filter order status on My Account page only
Tweak: fixed Sold Individually behaviour when Deposit gets added to cart
Fix: preventing Fatal Error: Called method get_order_id on a non-object for WC < 3.0
Fix: notice when sending deposit email
Fix: issue with Added to Cart message not appearing
Fix: added an additional check to avoid js errors on single product page
Dev: added yith_wcdp_disable_deposit_variation_option filter in order to disable per-variation handling when not required, and drastically improve performance for variable products