update kube and kustomize versions

- https://github.com/kubernetes/kubernetes/releases/tag/v1.11.4
- https://github.com/kubernetes-sigs/kustomize/releases/tag/v1.0.10

Dockerfile

@@ -10,8 +10,8 @@ FROM alpine:3.8
 COPY templates/* /templates/
 COPY static/ /static/
 RUN apk --no-cache add git && \
- wget -O /usr/local/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/v1.11.0/bin/linux/amd64/kubectl && \
- wget -O /usr/local/bin/kustomize https://github.com/kubernetes-sigs/kustomize/releases/download/v1.0.8/kustomize_1.0.8_linux_amd64 && \
+ wget -O /usr/local/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/v1.11.4/bin/linux/amd64/kubectl && \
+ wget -O /usr/local/bin/kustomize https://github.com/kubernetes-sigs/kustomize/releases/download/v1.0.10/kustomize_1.0.10_linux_amd64 && \
  chmod +x /usr/local/bin/kubectl && \
  chmod +x /usr/local/bin/kustomize
 COPY --from=build /kube-applier /kube-applier