auth.js: added updateUsers and call to process.on('SIGHUP', function(){})
auth.js: added updateUsers and call to process.on('SIGHUP', function(){})

Allows it to reread the htpasswd file whenever a SIGHUP is sent

racker/dreadnot,ebensing/dreadnot,pipedrive/dreadnot,pipedrive/dreadnot,racker/dreadnot,fr34k8/dreadnot,pipedrive/dreadnot,ebensing/dreadnot,ebensing/dreadnot,racker/dreadnot,fr34k8/dreadnot