Learn to commit images in multiple formats
Learn to commit images in multiple formats

Build configuration and manifest data for both output formats that we
support, and select one or the other based on the list of manifest types
that would be accepted as a source image.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

Closes: #118
Approved by: rhatdan

projectatomic/buildah,nalind/buildah-1,nalind/buildah,rhatdan/buildah,TomSweeneyRedHat/buildah,rhatdan/buildah,nalind/buildah,projectatomic/buildah,TomSweeneyRedHat/buildah,nalind/buildah-1,ipbabble/buildah,nalind/buildah-1,ipbabble/buildah,rhatdan/buildah,projectatomic/buildah,TomSweeneyRedHat/buildah