Merge pull request #121 from cryptan/gh-pages

Change link to users.rust-lang.org to https

Author: steveklabnik

_layouts/default.html

@@ -49,7 +49,7 @@
             <a href="https://github.com/rust-lang/rust">GitHub</a>
           </li>
 	  <li>
-	    <a href="http://users.rust-lang.org">User Forum</a>
+	    <a href="https://users.rust-lang.org">User Forum</a>
 	  </li>
           <li>
             <a href="https://chat.mibbit.com/?server=irc.mozilla.org&amp;channel=%23rust">IRC</a>