Run now takes a context as well as a statebag. We'll assign the context
to the blank identifier to prevent namespace collisions. We'll let the
step authors opt-in to using the context.
`find . -iname "step_*.go" -exec gsed -i'' 's/func \(.*\)Run(/func \1Run(_ context.Context, /' {} \;`
Included the build step to download ISO, so iso_urls works properly now.
Online activation should be done via provisioner
Installation of integration services should be done via provisioner
Cleaned up the way dvd drives are mounted and unmounted (still need to implement feature to find unused drives before adding a new one)
Cleaned up the way floppies are mounted and unmounted