Changelog updates

documentation/changelog.html

@@ -38,6 +38,10 @@
   <li>Fixed bug when editing a "Student publication" see BT#1377</li>
   <li>Fixed bug when deleting a "Student publication" see BT#1556</li>
   <li>Exercises: Now we show the firstname and lastname of the students in different columns see BT#1263</li>
+  <li>Exercises: Support UTC dates for time control and Exercise time limits see #2075</li>
+  <li>Exercises: Time control bugs fixed #2069</li>
+  <li>Exercises: Question order in results fixed #2073</li>
+  <li>Exercises: Fixing question list order #2075</li>  
   <li>Deleting production user's file fixed see #1682</li>
 </ul>
 <h3>Security</h3>