WooCommerce Bookings 2.1.2

* Fix - Display price is not changed on the front-end when updated in the back-end.
* Fix - Unlink person types from product instead of deleting them, to allow existing bookings to refer to them properly.
* Add - Option to remove unused person types under WooCommerce > Status > Tools.
* Fix - When resource/persons limit is hit the entire day is blocked, not just the hour.
* Fix - Skip persons with zero count for booking summary in emails and orders.
* Fix - Resources ranges not exluding times from bookable products.
* Fix - Admin day calendar view showing wrong time for bookings spanning multiple days.
* Fix - Price shows as Free even though person types have value.
* Fix - Display Cost does not display From in all cases.
* Add - Option to take WP TimeZone into consideration for `wc-booking-reminder` and `wc-booking-complete` scheduled events.
* Fix - Coupon updates for WC 3.0 compatibility.
* Fix - Bookings spanning 2+ days shows up as being booked the day before on admin Day View calendar.

* Fix - Booked shared resource blocks off availability for other products.
* Fix - Issue where persons number disappears during booking process.
* Fix - UI issue with the CSS classes for partial/fully booked in the case of automatic resource assignment.
* Fix - Trashing a booking will no longer trash its order if order has other items.
* Fix - Compatibility issue with Product Add-Ons integrations.
* Fix - Update compatibility with Deposits when the status of the order is 'Partially Paid'.
* Fix - Blank description on Google Calendar.
* Fix - Booking with persons and resources availability incorrect.
* Fix - Issue with availability spanning midnight.
* Fix - Issue with Booking with multiple resources showing booked days as available.

* Fix - Error when deleting product on admin.
* Fix - Persons not showing up in the Edit Booking page.
* Fix - Negative values of available quantity.
* Fix - Reset email data for each trigger to not send previously calculated data.
* Fix - Make buffers apply in front by shifting times accordingly.
* Fix - Logic for available times where some times were blocked while they shouldn't have been.