return None if no profile is configured

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@19687 a0171fae-0946-0410-966d-b1775066cd26
when revoking account, clear all attributes

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@19688 a0171fae-0946-0410-966d-b1775066cd26
disallow changing profile

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@19689 a0171fae-0946-0410-966d-b1775066cd26
release 3.2.13; next is 3.2.14

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@19690 a0171fae-0946-0410-966d-b1775066cd26
add missing information to changelog

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@19691 a0171fae-0946-0410-966d-b1775066cd26