Bug 13342: Not logged user can place a review/comment

Bug 13342: Not logged user can place a review/comment

We are able to comment a notice even when no user is connected

To test

1. Log in to OPAC.
2. Find a Biblio and open the comments tab.
3. Open another tab/window, and log out from the account.
4. Return to the first tab.
5. Click "Post your comments on this title."
 --> We are able to post a comment
6. Apply the patch
7. Repeat step 1, 2, 3, 4, 5
 --> You should be redirected to the login page.

Signed-off-by: David Cook <dcook@prosentient.com.au>
Bug 13342: Tidy

Signed-off-by: David Cook <dcook@prosentient.com.au>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>