public void setAvatarStoredInDB(Boolean avatarStoredInDB) {
        if (avatarStoredInDB == null) {
            this.avatarStoredInDB = false;
        }
        else {
            this.avatarStoredInDB = avatarStoredInDB;
        }
    }
Bean that stores the vcard mapping. It is also responsible for saving the mapping
as a system property and retrieving it.

@author Gaston Dombiak
xmppserver/src/main/java/org/jivesoftware/admin/LdapUserProfile.java