The Events Calendar - Eventbrite Tickets 4.6.16

* Fix - Updated featured image syncing functionality and controls to better integrate with Event Aggregator's Update Authority settings [108387]
* Fix - Implented more robust event privacy control settings in the event admin [111477]
* Tweak - Improve the setting of default "Ticket Start Sale Date" and "Ticket End Sale Date" values for better compatibility with the Eventbrite API [77069]

* Fix - In certain cases when updating an event in the admin stops the tickets from showing on the front end, thanks to Scott for reporting

* Add - A message before the Eventbrite metabox and hide the fields if there the app has not been authorized to import [86346]
* Tweak - The EB 4.5 migration process to better detect events for migration and insure all fields are migrated [106623]
* Tweak - Only enable Live, Draft, and Canceled status for Eventbrite events [106950]
* Tweak - Make the default selection of no for registering an event with Eventbrite [106503]
* Fix - Setup the text domain to enable translation of activation errors [104749]
* Fix - Discount link under Eventbrite Shortcuts
* Language - 16 new strings added, 119 updated, 0 fuzzied, and 5 obsoleted