Homepage: Added pledge for donations

docs/homepage/index.html

@@ -122,6 +122,19 @@ pageTracker._trackPageview();
     please <a href="http://github.com/ask/celery/issues">submit an
         issue</a>.</p>
 
+    <a name="donate"></a>
+    <h3>Donate</h3>
+    <p>
+    <a href='http://www.pledgie.com/campaigns/8424'><img alt='Click here to lend your support to: celery and make a donation at www.pledgie.com !' src='http://www.pledgie.com/campaigns/8424.png?skin_name=chrome' border='0' /></a>
+    </p>
+    <p>Donations will be used to fund infrastructure and new features.</p>
+    <p>
+    You can <a href='http://www.pledgie.com/campaigns/8424'
+        target='_new'>donate to the project</a> using PayPal.
+    For other arrangements you can send an e-mail to
+    <a href="mailto:donate@celeryproject">donate@celeryproject.org</a>.
+
+
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