Upgrade the aws golang SDK to 1.42.27 to add the new options for
configuring S3 dualstack endpoints.
Signed-off-by: Adam Kaplan <adam.kaplan@redhat.com>
Vndr has a simpler configuration and allows pointing to forked
packages. Additionally other docker projects are now using
vndr making vendoring in distribution more consistent.
Updates letsencrypt to use fork.
No longer uses sub-vendored packages.
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
