Use Values.uuid for cluster id with default of uuidv4 (#3055)

* Use Values.uuid for cluster id with default of uuidv4

Currently uses uuidv4 for cluster-id and the "default" Values.uuid won't be
used.

* Bump spartakus version to 1.1.2

stable/spartakus/Chart.yaml

@@ -1,5 +1,5 @@
 name: spartakus
-version: 1.1.1
+version: 1.1.2
 description: Collect information about Kubernetes clusters to help improve the project.
 sources:
   - https://github.com/kubernetes-incubator/spartakus

stable/spartakus/templates/deployment.yaml

@@ -25,7 +25,7 @@ spec:
           imagePullPolicy: "{{ .Values.image.pullPolicy }}"
           args:
             - volunteer
-            - --cluster-id="{{ uuidv4 | default .Values.uuid }}"
+            - --cluster-id="{{ .Values.uuid | default uuidv4 }}"
           {{- range $key, $value := .Values.extraArgs }}
             - --{{ $key }}={{ $value }}
           {{- end }}