WooCommerce WishLists 2.3.1

* Update: Add data-title attributes to some additional columns on the list templates.
* Update: Add wc_wishlists_create_list_args filter on the create list page, so that when used the UI matches any modified defaults.
* Update: Added filters to modify the share via twitter and share via facebook message. Filters are passed the message, the wishlist object, and is_users_list
woocommerce_wishlists_share_twitter
woocommerce_wishlists_share_fb
* Update: Add the Add all to cart button to the wishlist edit template.

* Fix: Fix warning on settings screen about missing tab information

* Fix: Fix cookie check issue for logged on users.
* Update: Translation for New Low Price For string.
* Update: Update wishlist share email to remove duplicated message.
* Update: Added filter to allow renaming the Wishlists label from the My Account section. woocommerce_wishlists_account_menu_label
* Update: Added filter, woocommerce_wishlist_already_in_list_text.
* Update: Always use the woocommerce_after_add_to_cart_button for variable products, not woocommerce_single_variation.
* Update: Update the email template to remove the duplicated strings.
* Update: Remove deprecated call to woocommerce_price.