Survey for Friday's meeting

Here's the meeting preparation survey for Friday's meeting on different
options for the rationale text explaining the difference between the
WCAG2ICT and M376 guidance on 2.4.1.

https://www.w3.org/2002/09/wbs/55145/mar082013/

I think I captured all of the proposals made in last Friday's meeting and
the one David posted to the mailing list.

Andi