Tartarus CVS: survex-www: olly

[Commits to Tartarus CVS repository.]

CVS Root:       /usr/data/cvs
Module:         survex-www
Changes by:     olly
Date:           Mon Jun 08 2015  01:56:07 BST

Log message:
zip.gif -> zip.png

Modified files:
    .               : download.pl
Added files:
    img             : zip.png
Removed files:
    img             : zip.gif

Links:
http://cvs.tartarus.org//survex-www/download.pl.diff?r1=1.34&r2=1.35
http://cvs.tartarus.org//survex-www/img/zip.gif
http://cvs.tartarus.org//survex-www/img/zip.png?rev=1.1&content-type=text/vnd.viewcvs-markup