Rename upgrade script to pfSense-upgrade
Do not call reboot, use /etc/rc.reboot instead
typo fix
Disable pkg autoupdate intead of add -U on all calls
Do not reset logfile on second call of upgrade script
Send logs to /dev/null if logfile is not defined
Move _echo() to improve readability
Save all pfsense-upgrade.sh output to upgrade_log.txt
Fix logic to reboot when there is no kernel update
Add first version of pfsense-upgrade.sh, script that will provide pkg upgrades
Move main pfSense content to src/