New port: sysutils/zfs-stats-lite

zfs-stats displays ZFS statistics in human-readable format including
ARC, L2ARC, zfetch (DMU) and vdev cache statistics.

This script is a fork of sysutils/zfs-stats which has no dependency on perl or
other ports.

PR:		ports/194977
Submitted by:	Devin Teske <dteske@FreeBSD.org> (maintainer)
Sponsored by:	Panzura, Inc.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372547 35697150-7ecd-e111-bb59-0022644237b5