Merge branch 'sortForwardAlphabetically' into 'development'

Sorts the list of TAs alphabetically when forwarding.

See merge request EIP/queue!93

src/main/java/nl/tudelft/ewi/queue/controller/RequestController.java

@@ -260,6 +260,7 @@ public class RequestController {
         // Do not forward to yourself
         others = others.stream()
                 .filter(u -> !u.equals(user))
+                .sorted(Comparator.comparing(User::getDisplayName))
                 .collect(Collectors.toList());
 
         model