Mention crowd-funding on project page

index.html

@@ -232,11 +232,12 @@
   <h2>Support CodeMirror</h2>
 
   <ul>
-    <li>Donate
+    <li><strong><a href="http://pledgie.com/campaigns/17784">Contribute to our crowd-funding!</a></strong></li>
+<!--    <li>Donate
     (<span onclick="document.getElementById('paypal').submit();"
     class="quasilink">Paypal</span>
     or <span onclick="document.getElementById('bankinfo').style.display = 'block';"
-             class="quasilink">bank</span>)</li>
+             class="quasilink">bank</span>)</li>-->
     <li>Purchase <a href="#commercial">commercial support</a></li>
   </ul>