WooCommerce Bookings 2.1.9

* Fix - Display issue on compatibility with Product Add-Ons on product page.
* Fix - Clarification for calendar days restriction.
* Fix - JavaScript error for DatePicker in International Browsers.
* Fix - Calendar (Day) View - datepicker doesn't respect WordPress localization.
* New - Add hook to allow bypassing block availability checker
* Fix - DatePicker not initially loading the correct month when not current month.
* Fix - End date doesn't respect the `woocommerce_bookings_mdy_format` filter.

* Update - Privacy policy notification.
* Update - Export/erasure hooks added.
* Update - WC 3.4 compatibility.

2018-04-24 - version 1.11.1
* Fix - Booking Reminder Emails: Same-day Bookings Contain The Text 'tomorrow'.
* Fix - Calendar doesn't load the correct availability for different resources.
* Fix - Calendar not finishing loading in wp-admin screens
* Fix - JavaScript error for DatePicker in International Browsers.
* Fix - The ajax endpoint should not return unavailable days for products of hour/minute duration types.
* Tweak - Refactor `get_available_blocks` parameters.