checkquorum.wdmd: add integration script with wdmd
 

> +# rpm based distros
> +[ -d /etc/sysconfig ] &&
> + [ -f /etc/sysconfig/checkquorum ] &&
> + . /etc/sysconfig/checkquorum
> +
> +# deb based distros
> +[ ! -d /etc/sysconfig ] &&
> + [ -f /etc/default/checkquorum ] &&
> + . /etc/default/checkquorum
> +

FYI: Some RAID tool vendors delivers utilities for debian which creates directory '/etc/sysconfig'
on debian boxes, so that test is not reliable.