Added download link back.

index.html

@@ -228,6 +228,8 @@
 				<a href="docs/index.html#Manual/Introduction/Creating_a_scene">documentation</a><br />
 				<a href="examples/">examples</a><br /><br />
 
+				<a href="https://github.com/mrdoob/three.js/archive/master.zip">download</a><br /><br />
+
 				<a href="http://github.com/mrdoob/three.js/">github</a><br />
 				<a href="http://stackoverflow.com/questions/tagged/three.js">stackoverflow</a><br />
 				<a href="irc://irc.freenode.net/three.js">irc<br /><br />