pfSense

Upgrade config : Move captiveportal authentication to use user manager

Update and clarify captiveportal GUI settings

Obsolete old captiveportal radius files

Update captiveportal RADIUS Accounting

Make captiveportal use user manager as auth source

Normalize RADIUS accounting

Normalize RADIUS authentication

Remove pfsense => pfSense nonsense that was breaking wizrd hyperlinks that included hte product name

PHP7 related, cast bandwitdh to int to make sure it is a numeric value Fixes #8757

Revise Netgate links