Package autobook-1.5-1

New Riders graciously indulged our principles, and published this book under the terms of the Open Publication License (with none of the options exercised). Consequently the content of the book is truly free. If you like this book, then please consider buying a bound and printed copy, so that the authors can continue to write free documentation, and to support the GNU Project (almost 10% of the total royalties from sales of the book are donated to the Free Software Foundation, who maintain the tools discussed in the book).