Update sponsor.html

Author: bryevdv

_includes/sponsor.html

@@ -47,7 +47,7 @@
   </td>
   <td>
     <a href="https://nomnomdata.com/">
-    <img src="https://s3.amazonaws.com/hub.nomnomdata.com/static/img/logo.svg"
+    <img src="https://files.nomitall.nomnomdata.com/images/logo-small.svg"
        alt="Nom Nom Data Logo" width="100"/>
     </a>
   </td>