[addon] Update heapster to v1.5.0

[kairen]

Update heapster to v1.5.0, and fix some YAML fields. This PR has tested on upstream localkube, more detail as below:

$ ./out/minikube addons enable heapster
heapster was successfully enabled

$ kubectl -n kube-system get po,svc
NAME                             READY     STATUS    RESTARTS   AGE
po/heapster-2chhx                1/1       Running   0          1m
po/influxdb-grafana-5qzh8        2/2       Running   0          1m
po/kube-addon-manager-minikube   1/1       Running   0          1h
po/kube-dns-86f6f55dd5-tnssj     3/3       Running   0          1h
po/storage-provisioner           1/1       Running   0          1h

NAME                      TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)             AGE
svc/heapster              ClusterIP   10.103.226.188   <none>        80/TCP              1m
svc/kube-dns              ClusterIP   10.96.0.10       <none>        53/UDP,53/TCP       1h
svc/monitoring-grafana    NodePort    10.104.237.56    <none>        80:30002/TCP        1m
svc/monitoring-influxdb   ClusterIP   10.111.229.93    <none>        8083/TCP,8086/TCP   1m

$ ./out/minikube addons open heapster
Opening kubernetes service kube-system/monitoring-grafana in default browser...

A preview:

[minikube-bot]

Can one of the admins verify this patch?

[codecov-io]

Codecov Report

Merging #2182 into master will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #2182      +/-   ##
=========================================
- Coverage   28.64%   28.6%   -0.04%     
=========================================
  Files          82      82              
  Lines        5369    5369              
=========================================
- Hits         1538    1536       -2     
- Misses       3636    3637       +1     
- Partials      195     196       +1

Impacted Files	Coverage Δ
pkg/util/kubeconfig/config.go	47.61% <0%> (-1.37%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 65d11b1...7066946. Read the comment docs.

[r2d4]

@minikube-bot test this please

[kairen]

Hi @r2d4 This looks very close to being ready to go?

[r2d4]

LGTM