Update contact info for DART

Author: mgduda

dart_atmosphere/dart_atmosphere.html

@@ -85,7 +85,7 @@
       <td style="vertical-align: top;"><big><span style="font-weight: bold;">Contact<br />
       </span></big><big><span style="font-weight: bold;"><br />
       </span></big><big><small>
-For any questions or future collaboration, please contact either Soyoung Ha (syha@ucar.edu) or Chris Snyder (chriss@ucar.edu).
+For any questions or future collaboration, please contact either Soyoung Ha (syha@ucar.edu) or the DART team (dart@ucar.edu).
 </small></big>&nbsp;
   </tbody>
 </table>