* Remove chording as it is not documented, not used, and needs work.
* Make Leader Key an optional feature.
* Switch from `PREVENT_STUCK_MODIFIERS` to `STRICT_LAYER_RELEASE`
* Remove `#define PREVENT_STUCK_MODIFIERS` from keymaps.
* Preonic Ergodox-Like Mac keymap: Bucktooth
This is a layout unlike most Preonics, it is taken partially from
Ergodox and classic C64 keyboards with a ton of Mac-specific features.
* Fix Mouse Left keycode
Drashna Jaelre
Joe Wasson
J. Eric Mason