The squashfs format brings a couple of advantages over the other
formats. Image is often an order of magnitude smaller and it can
be used natively, either as an initrd, either with loop mount.
Change-Id: If72940b0c4dafb2504c52dd0429a8eb3f8305751
Currently, this is a noop, since diskimage-builder currently uses
tests/install_test_deps.sh to manage OS dependencies. The next patch
in the series, will complete the migration to bindep.
Change-Id: I3b599983106b87fec6a4b6348469ed037654810e
Signed-off-by: Paul Belanger <pabelanger@redhat.com>