changed order of config lock check on shutdown, if some (custom) scripts waits to long the webui might still trash the config

uses a more standard approach to startup daemons via the rc.d system.

To enable, place a file for your service in /etc/rc.conf.d/ and set the enable variable to YES ( for example squid_enable=YES )

Packages are not part of the base so they stay the same bricking
the installation completely.  If you need to pull off such a stunt,
please use the install media plus config importer--it's cleaner.

issue with handling sequential arrays and gaps between indexes, fix for https://github.com/opnsense/core/issues/118