[Web] Highlighting checks key instance, not key id

[Developer] Remove class based word breaker

This method of specifying a word breaker was not fully implemented, and is undocumented.

[Developer] Clarify the project filename that will be created and simplify the mental model for Browse button in Project Template dialogs.

[iOS] Fixes iOS predictive banner due to key-distribution calc breakage

[Web] Suggestion banner overflow-x support

[Linux] remove download source

[Developer] Clarify the project filename that will be created and simplify the mental model for Browse button in Project Template dialogs. Fixes #2044.

[iOS] Remove donate link per Apple requirements for FV Keyboards app

[iOS] Fix for OSK scaling on app re-entry

[Web] Touch-device default output for 102nd key

Fix #1789

Remove `download_source` (originally started  in #1679)

[Android] Add check for `KMKey_CustomKeyboard`

[Android] Update exception handling for CloudRepository

[Developer] Character preview was not updating in mobile web touch test.

[Developer] Make sure New Project actually starts a new, blank project.

[Developer] Don't overwrite a BCP 47 code that the user has chosen when writing project templates.

[Developer] Don't overwrite a BCP 47 code that the user has chosen when writing project templates. Fixes #2046.