The Events Calendar Pro 6.3.3

* Fix - Ensure we don't have pieces of Filter Bar present when using shortcodes. [ECP-527]
* Fix - Allow shortcode list widget to be redefined dynamically via a filter. [ECP-541]
* Fix - Use the Time Format defined in WordPress General Settings for Week View grid headers. [ECP-357]
* Tweak - Remove unused and the outdated `momentjs` library that was bundled with the plugin to use, in its place, the one bundled in The Events Calendar. [ECP-576]
* Language - 18 new strings added, 34 updated, 0 fuzzied, and 2 obsoleted

* Fix - Correct countdown widget so it show absolute time until event, irrespective of timezones. [ECP-146]
* Language - 0 new strings added, 1 updated, 0 fuzzied, and 0 obsoleted

* Fix - Translation domain for the recurrence realtime queue processor so translators can change the text. [ECP-458]
* Tweak - Fix spacing on week view to properly fit in horizontal filter bar. [FBAR-132]
* Tweak - Add filters to properly remove filter bar on v2 views when on shortcode. [FBAR-187]
* Language - 0 new strings added, 0 updated, 0 fuzzied, and 0 obsoleted