#19796 strip leading underscores from new filenames

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.bfile@21172 a0171fae-0946-0410-966d-b1775066cd26
#19796 PEP8 code formatting in some files

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.bfile@21173 a0171fae-0946-0410-966d-b1775066cd26