Needs a separate .cmd file to flip the return code from
DistributionTool. Doing it all straight from CMake doesn't seem to work
very well.

- Lots of template comments removed
- Changed to 'oninput' change event for the property inspector
- Implemented (empty) action configuration showing/hiding mechanism in
property inspector
- Implemented core localization using localize (and similar) attributes
- Length labels (which count characters up to max length) must have
'length-label' class (so we can use labels properly)
- Allow saving empty values from PI back to the app

Moves them out of the "Custom" group in Stream Deck, into a "The Sims 4"
group