Add docker 18.06 and 18.09 to k8s 1.11

Add docker 18.06 and 18.09 to k8s 1.11

Add docker 18.09 to k8s v1.12

Vendor Update

Fix etcdbackup error reporting

AlwaysPullImages admission plugin option

Types vendor update to get k8s 1.12.4/1.10.12 support

Types vendor update to get k8s 1.12.4/1.10.12 support

Types vendor update to get k8s 1.11.6 support

copy kubernetes service ip when regenerating etcd certs