This change updates the version of the replacement-transformer and
templater images to v2, the same version used in the airshipctl
repository. Breaking changes have been introduced to the latest versions
of the images, causing document rendering to fail.
Signed-off-by: Drew Walters <andrew.walters@att.com>
Change-Id: Id0411f6c221d9986a6dece4d5f9b91ac94430ecc