display DOD ID on user update page

templates/user/edit.html

@@ -7,6 +7,7 @@
     <div class='panel__heading'>
       <h1>
         <div class='h2'>{{ user.first_name }} {{ user.last_name }}</div>
+        <div class='h3'>DOD ID: {{ user.dod_id }}</div>
         <div class='subtitle h3'>Edit user details</div>
       </h1>
     </div>