[authors] PING Gary: Minor changes to Ch1 WG

[Jean Hollis Weber]

Gary, I made some minor changes to your last iteration of Ch1, 
including a correction and new picture in the Navigator section. 
Also added a short section on Quickstarter under Linux. Uploaded 
here: 
http://oooauthors.org/en/authors/userguide2/writer/feedback/0201WG-IntroducingWriter_GS_21Jan07_JHW.odt

--Jean