types.ImageSource.Close() can return an error now, and ParseImageName()
moved to containers/image/transports/alltransports.
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
Pull most of the core logic from the CLI into a package that should be
easier to consume as a library. Add a "config" command that updates the
builder object's configuration.
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>