add a comment and use the official url for download.

# we already have 2.1.4, but it can cause net::ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH error with chromium browser.
# http://code.google.com/p/chromium/issues/detail?id=59077


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39441 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/varnish.cfg

+# varnish - a web accelerator written with performance and flexibility in mind.
+# http://www.varnish-cache.org/
+
 [buildout]
 parts =
   varnish
@@ -13,5 +16,5 @@ md5sum = d91dc21c636db61c69b5e8f061c5bb95
 
 [varnish-2.1]
 recipe = hexagonit.recipe.cmmi
-url = http://sourceforge.net/projects/varnish/files/varnish/2.1.3/varnish-2.1.3.tar.gz/download
+url = http://www.varnish-software.com/sites/default/files/varnish-2.1.3.tar.gz
 md5sum = 357d99a760de173d841ac37bf2052be8