Email update for module-error template

lms/templates/module-error.html

 <section class="outside-app">
   <h1>There has been an error on the <em>MITx</em> servers</h1>
-  <p>We're sorry, this module is temporarily unavailable. Our staff is working to fix it as soon as possible. Please email us at <a href="mailto:technical@mitx.mit.edu">technical@mitx.mit.edu</a> to report any problems or downtime.</p>
+  <p>We're sorry, this module is temporarily unavailable. Our staff is working to fix it as soon as possible. Please email us at <a href="mailto:technical@edx.org">technical@edx.org</a> to report any problems or downtime.</p>
 
 % if staff_access:
 <h1>Details</h1>