Load and draw operator menu labels, checkbox, and buttons.
Set up "apply & save" and "exit" buttons with a message showing save
status and a confirmation dialog requiring a confirmation press when
exiting without saving.
Add menu navigation.
Move reconfig and window resize event handling so that those event are
always responded to.
Add a test case that checks whether operator menu navigation and
functionality is correct.
Remove email, git, Youtube, and Twitch buttons from site.
Note that a huge block of Cakefoot::draw has edits just because the
block was indented into a new else clause.
Cocktail Frank
39aa59803b
