-transform eduPersonPrincipalName (email-like) format to something that Liferay can accept. E.g. heder@sztaki.hu -> heder.at.sztaki.hu
-if email is multi-valued then using the first
-if surname or first name is missing using default values
-if affiliation is multi-valued, using the first
-if affiliation is eduPersonEntitlement, using the last segment
-slightly better logging
-minor logging improvements
-special character hack for Hungarian characters