#15604 Anonymous answer for authenticated users

Authenticated users can now (if option is activated) to submit their answers as anonymous.

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20360 a0171fae-0946-0410-966d-b1775066cd26
Released 1.2.33 new version 1.2.34

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20361 a0171fae-0946-0410-966d-b1775066cd26