Save current host connection settings in global mg
UI, text change "Submit" -> "Save"
Include bootstrap-window library
Add movable windows for View submenus
Add an fTelnet keyboard toggle menu
Rebuild db select after each Configure > Host save

User could have created a new item and we need to have it loaded for
next possible selection.
Clean Configure > Host defaults on File > New DB
Trivial, remove debug line
Don't show View panels on load
Update bootstrap-window to allow recallable window

Elden Armbrust modified his library at my request to allow recallable
quick windows.