Download scripts needed for user.js setup
curl -O 'https://raw.githubusercontent.com/arkenfox/user.js/master/updater.sh'
curl -O 'https://raw.githubusercontent.com/arkenfox/user.js/master/prefsCleaner.sh'
chmod +x updater.sh prefsCleaner.sh
# get user-overrides.js
curl -O 'https://gist.githubusercontent.com/silenc3r/91ee03f93dc56afa6cd63db8a81d3559/raw/user-overrides.js'