dojox.form.DropDownSelect should have direct dojo.data support

[guest]

Would be good to add the options from a store and not only from markup or by method calls. Looks like this already was mentioned, as there is already a require on ItemFileReadStore?. Though, I think it should not depend on that certain store class, but had to work with all dojo.data compatible stores.

[bill]

mark all (open) tickets w/blank milestones to be "tbd"; their milestones need to be set to a version number or to "future"