tip: fix, update tip.golang.org

Primarily for golang/go#29251 but also update the base Docker layer
from Go 1.9 to Go 1.11, update other deps, and fix some Kubernetes
config cleanups that happened prior without testing apparently.

Fixes golang/go#29251

Change-Id: I0aafccdfedfc0d9ebb75d0c1a3b0819245ea5f19
Reviewed-on: https://go-review.googlesource.com/c/154181
Reviewed-by: Bryan C. Mills <bcmills@google.com>
8 files changed
tree: 32dba63b172822c33f354033bd1b271c87793757
  1. cmd/