#20129 Hide script channel objects if they expired and don't have 'topitem' set

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20944 a0171fae-0946-0410-966d-b1775066cd26
released 3.3.54, new version 3.3.55

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20945 a0171fae-0946-0410-966d-b1775066cd26