[chirp_devel] [PATCH 0 of 2] [RFC] Memory Detail Editor

This not-yet-finished RFC patch adds a memory detail editor to the UI.

Marco, I think this may be a better place to allow editing of TX and RX tones independently, instead of continuing to add that stuff in columns to the main editor. This will also set the stage for letting us expose radios-specific attributes of a memory object, but tacking on a RadioSettingsGroup and exposing that in the UI.

Thoughts?