Return user details from Dataporten

        Set username to eduPersonPrincipalName

def get_user_details(self, response):
        """
        Return user details from Dataporten

        Set username to eduPersonPrincipalName
        """
        user = super(DataportenFeideOAuth2, self).get_user_details(response)
        sec_userids = user['userid_sec']
        for userid in sec_userids:
            usertype, username = userid.split(':')
            if usertype == 'feide':
                user['username'] = username
                break
        return user