Update public ack for last week and a half.

There needs be to an automated process for this, but there's none yet.

www/conservancy/static/sponsors/index.html

@@ -66,7 +66,8 @@ any of its sponsors.</p>
   <li>Anonymous (3 people)</li>
   <li>Martin Ansdell-Smith</li>
   <li>David Ayers</li>
-  <li>Jonathan Bacon</li>
+  <li>Jono Bacon</li>
+  <li>Daniel Callahan</li>
   <li>Alison Chaiken</li>
   <li>Matthew Daniel</li>
   <li>Mark Cohen</li>
@@ -79,15 +80,20 @@ any of its sponsors.</p>
   <li>Scott González</li>
   <li>Jared Grubb</li>
   <li>Steven Hamilton</li>
+  <li>Edgar Hill</li>
   <li>Karl Ove Hufthammer</li>
   <li>Henrik Ingo</li>
   <li>maiki interi</li>
   <li>Ian Kelling</li>
   <li>Tom Kent</li>
   <li>Matt Kraai</li>
+  <li>Johannes Krampf</li>
   <li>Cathy Kuhn</li>
+  <li>Michael Linksvayer</li>
   <li>Tom Marble</li>
+  <li>Darin Miller</li>
   <li>Michael Miller</li>
+  <li>Martin Michlmayr</li>
   <li>Pariksheet Nanda</li>
   <li>Deborah A. Nicholson</li>
   <li>Samuel and Cristine Noble</li>