* Stop previously running zeroconf instances
* Lots of formatting fixes
* Use f-strings for time delta
* More line fixes
* Update requirements.txt
* More misc cleanup
* Simplify README.md
* Make sure progress UI updates occur on main thread
* Cleanup unnecessary code in FFMPEG
* Cleanup extension matching
* Make sure supported_extensions is now called as a method everywhere
* Fix add_job crashing
* Update the renderer to reflect the current file type
* Sort engine versions from newest to oldest
* Consolidate Project Group and Server Group
* Split UI options into its own file for easier updating
* Add ffmpeg ui stem
* Remove legacy client
* Misc cleanup
* Add message box after submission success / fail
* Use a new is_localhost method to handle localhost not including '.local'
* Code cleanup
* Fix issue where engine browser would think we're downloading forever
* Add message box after submission success / fail
* Use a new is_localhost method to handle localhost not including '.local'
* Code cleanup
* Fix issue where engine browser would think we're downloading forever
* Add pubsub messages to serverproxy_manager.py
* Add resolution, fps and renderer versions to add_job.py
* Add cameras to add_job.py
* Add message box after submission success / fail
* Use a new is_localhost method to handle localhost not including '.local'
* Code cleanup
* Fix issue where engine browser would think we're downloading forever
* Add message box after submission success / fail
* Code cleanup
* Add cameras to add_job.py
* Add dynamic engine options and output format
* Move UI work out of BG threads and add engine presubmission tasks
* Submit dynamic args when creating a new job
* Hide groups and show messagebox after submission
* Choose file when pressing New Job in main window now
* Make downloaders subclass of base_downloader.py
* Link engines and downloaders together for all engines
* Replace / merge worker_factory.py with engine_manager.py
