[Qt-interest] Widget promotion feature

[Paul Dixon]

> Ah, I see... thank you !
> and what is this Global include for ? It's a tick when you're setting a
> widgets for promotion...

I believe that will simply cause the code generator to use angle
brackets (i.e. #include <FooWidget.h>) for the include statement
rather than quotation marks (#include "FooWidget.h").

You'd use that if you'd built your own centralised library of reusable widgets.