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Conflicts:
	wiki/src/install/inc/stylesheets/download.css

In the end, we only want the extension to reset it states if:

1. The IDF changes
2. The "Download again" button is clicked
3. The "Cancel" button is clicked

So we don't need the "Next" button anymore, we can inline this and
provide all the instruction on the same page.

Conflicts:
	wiki/src/download.inline.mdwn
	wiki/src/install/inc/stylesheets/steps.css

We don't really want people to switch context.