WooCommerce Waitlist 2.4.16

* Fix: Waitlist tab in the tickets admin panel not working with latest version of The Events Calendar Plus
* Fix: Auto username and password generation not working with auto account creation
* Removed: "wcwl_{$type}_nag_text", "wcwl_dismiss_nag_text" and "wcwl_variation_tab_title" filters from the admin - unnecessary and potential XSS issue
* Added: load text domain function and filter for modifying path: "wcwl_translation_file_path". No automatic translations available yet.

* Fix: Images not displaying correctly on account template page
* Fix: updated auto login functionality to avoid using discouraged functions

* Fix: Email not always being added to events waitlist form for logged in users causing silent error
* Added: Various fixes to comply with PHPCS
* Added: Filters to hide notices on the frontend (wcwl_show_notice_on_frontend)
* Added: Altered frontend flow to allow join/leave buttons to show without having to dismiss notices
* Added: Action hook to output custom HTML before submit button for waitlist forms (wcwl_before_form_submit_button)
* Added: Action hook to apply additional validation to waitlist join/leave requests (wcwl_process_waitlist_request_start)
* Added: Product ID/object to various frontend filters to allow for easier customisation
* Added: Deprecation notice for old supported products filter
* Added: Sorting products by waitlist count in the admin will now show all products (previously it did not return those with no waitlist data)