#16749 class-based selection of cells with emails to be validated

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.talkback@20573 a0171fae-0946-0410-966d-b1775066cd26
released 1.1.29, new version 1.4.30

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/naaya.content.talkback@20574 a0171fae-0946-0410-966d-b1775066cd26