[authors] Ch 1 of Writer Guide, "Introducing Writer" revised

[Jean Hollis Weber]

Thanks to Gary Schnabl for editing Chapter 1 of the Writer Guide, 
"Introducing Writer", and picking up all sorts of mistakes that I 
had missed. Excellent job, Gary!

I have now uploaded the revised chapter (ODT and PDF) to the 
OOoAuthors website.

--Jean