rename remaining files that didn't match their class definitions
relocate the explicit UI_Constructor member function to JS8_MainWindow
relocate the processBufferedActivity member function to JS8_MainWindow
format affected files with LLVM clang-format
Set default APRS inbound relay to off
Fix layout of General->Networking & Autoreply tab in Settings
TEXT param contained the full formatted message including FROM prefix,
causing duplication when clients reconstruct the message. Changed to
use d.text (message body) instead.
Co-authored-by: Manuel Ochoa <mochoa@protonmail.com>