Add back the kakfa.configmap helper (#4993)

* Add back the kakfa.configmap helper

* Bump version

* Switch to use kafka.fullname as base of configmap name

incubator/kafka/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 description: Apache Kafka is publish-subscribe messaging rethought as a distributed
   commit log.
 name: kafka
-version: 0.5.0
+version: 0.5.1
 appVersion: 4.0.0
 keywords:
 - kafka

incubator/kafka/templates/jmx-configmap.yaml

@@ -2,7 +2,7 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: {{ template "kafka.configmap" . }}-metrics
+  name: {{ template "kafka.fullname" . }}-metrics
   labels:
     app: "{{ template "kafka.name" . }}"
     release: {{ .Release.Name | quote }}

incubator/kafka/templates/statefulset.yaml

@@ -171,7 +171,7 @@ spec:
       {{- if .Values.metrics.jmx.enabled }}
       - name: jmx-config
         configMap:
-          name: {{ template "kafka.configmap" . }}-metrics
+          name: {{ template "kafka.fullname" . }}-metrics
       {{- end }}
   {{- if .Values.persistence.enabled }}
   volumeClaimTemplates: