Support passwd files

Add rotate-log script

Tweaks

Add "no_https_redirect"

Fix "Applied WebUI tweaks" log entry not showing

Add note about swap creation

Correct swap mount check

If the router is not affected make sure user is told to reset the variable

Do not use readlink -f as it will follow the symlink

Remove uneccessary space

Create mount_opt function

Resolve /opt symlink when necessary

Use 'df /opt' as alternative to checking 'mount' output

Use -q flag instead of redirect

Make integration sleep configurable and set it to 3 seconds by default