#20488 bugfix in adding objects with short names
option to replace existing files when uploading from zip

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@21321 a0171fae-0946-0410-966d-b1775066cd26
released 3.4.9, new version 3.4.10

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@21322 a0171fae-0946-0410-966d-b1775066cd26