Webserver Revamp

[brickbots]

• Move to port 80
• Change Cli wifi mode name to Client
• Home page
• Remote page
• Network config (wifi networks, AP name, hostname)
• Auth based on password for PiFinder account w/ change
• backup/restore user data (config.json / observations.db / observing lists) to/from zip file
• View observations logs w/download as TSV

If you run the software via the command line, the web interface will be on 8080 - http://pifinder.local:8080/ If it's running as a service, it will be on port 80 - http://pifinder.local/