#19343 improve extfile to bfile update scripts to delete original files

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.bfile@21138 a0171fae-0946-0410-966d-b1775066cd26
released 1.4.1, new version 1.4.2

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.bfile@21139 a0171fae-0946-0410-966d-b1775066cd26
added update script to migrate photo and media ExtFiles to blobs

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.bfile@21144 a0171fae-0946-0410-966d-b1775066cd26
released 1.4.2, new version 1.4.3

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.bfile@21145 a0171fae-0946-0410-966d-b1775066cd26