Fixed tar and zip links in text.

Author: JohannesEbke

index.html

@@ -67,8 +67,8 @@ <h2>Getting started</h2>
     <h2>Download</h2>
     <p>
       You can download this project in either
-      <a href="http://github.com/mcviz/repo/zipball/0.2">zip</a> or
-      <a href="http://github.com/mcviz/repo/tarball/0.2">tar</a> formats.
+      <a href="http://github.com/mcviz/repo/zipball/2011.09.15">zip</a> or
+      <a href="http://github.com/mcviz/repo/tarball/2011.09.15">tar</a> formats.
     </p>
     <p>You can also clone the project with <a href="http://git-scm.com">Git</a>
       by running: