To-do:
- prompt for guest username, with default
- prompt for ftelnet enable/disable (and implement enable/disable)
- prompt for ftelnet splash .ans if enabled
- add WS/WSS services if missing, and if ftelnet enabled
- nuke old websocket telnet/rlogin proxies if configured
- copy web/pages/examples/* to web/pages/ (once pages has been moved out of docroot)
- likewise for web/sidebar/examples/*
- test for download/extract/ini-update success before proceeding to next step
- provide URL/info re: further config instructions upon exit