Copyright for rrdcollect source package in Trusty

RRDcollect is written by and copyright 2002, 2003 Dawid Kuroczko 
Licensed under the terms of GNU GPL, version 2 or later.

This package has been debianized by Dawid Kuroczko and it is maintained
by Artur R. Czechowski 

See /usr/share/common-licenses/GPL for details.