Change download link to point to master (fix #1348)

index.html

@@ -32,7 +32,7 @@
 					<img class="logo" src="site-assets/logo.svg" width="500" height="86" alt="TodoMVC">
 					<p>Helping you <strong>select</strong> an MV* framework</p>
 					<nav>
-						<a href="https://github.com/tastejs/todomvc/zipball/1.3.0" class="zocial red">Download (1.3)</a>
+						<a href="https://github.com/tastejs/todomvc/archive/master.zip" class="zocial red">Download</a>
 						<a href="https://github.com/tastejs/todomvc" class="zocial ltgray">View on GitHub</a>
 						<a href="http://blog.tastejs.com/" class="zocial ltgray">Blog</a>
 					</nav>