ATAG Overview & at a Glance updated

EOWG,

The ATAG Overview and ATAG at a Glance are now updated at:
* http://www.w3.org/WAI/intro/atag.php
* http://www.w3.org/WAI/intro/atag-glance.php

These take into account the comments from Sylvie, Suzette, Paul, Howard, and Sharron in the wiki at:
* http://www.w3.org/WAI/EO/wiki/ATAG_review#ATAG_Overview
* http://www.w3.org/WAI/EO/wiki/ATAG_review#ATAG_at_a_Glance

There are a few open comments, questions, ideas (mostly for ATAG WG :-) in the Editors' Drafts at:
* http://www.w3.org/WAI/EO/Drafts/atag-overview
* http://www.w3.org/WAI/AU/CR20/ATAGintro.html (glance)

If you have additional comments, please add them to the wiki page, linked above. Thanks!

~Shawn