[PATCH] Setup: adjust copyright and fix the "installation finished" behavior for download-only mode

[Brian Dessent]

Igor Peshansky wrote:

> Thanks, but it turns out the patch wasn't tested enough.  Using the "Back"
> button from the final dialog in download-only mode and then going through
> setup again after changing the mode to "Install" would not change the
> final dialog back to its original state.  The attached patch fixes that
> (and also makes sure no extra files are created in download-only mode).
> New ChangeLog below.

Must have missed this before, please commit.

Brian