#2 Gird/Matrix Question

[Michael hall]

Need the ability to specify question grid containing a
list of question texts, and a single shared response
list. Should be able to specify if each question is a
row or a column.

[Michael hall]

Logged In: YES
user_id=491022

Add child elements <cols> and <rows> that are
ResponseListInterface types. Then we can add <ListItem> or
<ResponseList> children, or a combination thereof. It will
need an attribute to specify if it will use the columns or
the rows as dataitems, something like datapoints="row|col".

[Michael hall]

Logged In: YES
user_id=491022
Originator: YES

Instead of using 2 ResponseLists, create a new GridList interface similar to ResponseList, but making integration more explicit and less hacked.