'Convert configured parameters to keyword args for __init__().'

@staticmethod
def prepareKeywordArgs(config_dict):

    kwargs = {'template': config_dict['template']}
    if ('referer' in config_dict):
        kwargs['referer'] = config_dict['referer']
    if ('source    projection' in config_dict):
        kwargs['source_projection'] = Geography.getProjectionByName(config_dict['source    projection'])
    if ('timeout' in config_dict):
        kwargs['timeout'] = config_dict['timeout']
    return kwargs
