#17418 hide "Reply" button if the user doesn't have commenting rights

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20695 a0171fae-0946-0410-966d-b1775066cd26
released 1.4.31, new version 1.4.32

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20696 a0171fae-0946-0410-966d-b1775066cd26