* Update: Include new filter: woocommerce_wishlist_posts_order : default ASC
* Update: Include new filter: woocommerce_wishlist_posts_order_by : default post_title
* Update: Don't enqueue the facebook connect graph API if Facebook is disabled.
* Update: Update Tweet Share Link for /intent/tweet API.
* Update: Include new filter, woocommerce_validate_wishlist_create, to allow developers to override Wishlist creation validation.
Useful if you would like to require first name, last name or email.
* Update: Tested to WC 3.5