function selectList (id) {
	return (dispatch, getState) => {
		dispatch({
			type: SELECT_LIST,
			id,
		});
		dispatch(setActiveList(getState().lists.data[id], id));
	};
}
Select a list, and set it as the active list. Called whenever the main
List component mounts or the list changes.

@param  {String} id The list ID, passed via this.props.params.listId