Revision 442733

Repocopy from net-mgmt/cacti-spine (r419786) -> net-mgmt/cacti88-spine

Multithreaded poller for Cacti written in C

New releases of Cacti are still unable to work with useful plugins like
"GPS Map" and "Network Weathermap".

PR:		219686
Submitted by:	Vinicius Zavam <egypcio@googlemail.com>
Approved by:	garga (mentor)
Differential Revision:	https://reviews.freebsd.org/D11024