Copyright for tzdata source package in Angry Aardvark

This is the Debian prepackaged version of the Time Zone and Daylight 
Saving Time Data. 

It was downloaded from ftp://elsie.nci.nih.gov/pub/

Upstream Authors: Arthur David Olson et.al.
Commentary should be addressed to tz@elsie.nci.nih.gov

Copyright: This database is in the public domain.