- Added PIDFile option, as recommended by SYSTEMD.SERVICE(5).
- Added User option, to automatically populate environment variables like
USER and HOME. Suggested by Norman Rasmussen in Debian bug #998158.
- Added RuntimeDirectory option to automatically create /run/mrtg/. This
option is required while using the User option.
In init file, Ignore case for WorkDir because MRTG also ignores this.
In init file, Ignore case for WorkDir because MRTG also ignores this.