ref(charts): add apiversion checks to helm charts

Author: Cryptophobia

charts/controller/Chart.yaml

@@ -1,7 +1,6 @@
 name: controller
-home: https://github.com/deisthree/controller
+home: https://github.com/teamhephy/controller
 version: <Will be populated by the ci before publishing the chart>
-description: Deis Workflow Controller (API).
+description: Hephy Workflow Controller (API).
 maintainers:
-  - name: Deis Team
-    email: engineering@deis.com
+- email: team@teamhephy.com

charts/controller/templates/controller-deployment.yaml

@@ -1,4 +1,10 @@
-apiVersion: {{ .Values.global.api_group }}
+{{- if .Capabilities.APIVersions.Has "apps/v1" }}
+apiVersion: apps/v1
+{{- else if .Capabilities.APIVersions.Has "extensions/v1beta1" }}
+apiVersion: extensions/v1beta1
+{{- else }}
+apiVersion: apps/v1
+{{- end }}
 kind: Deployment
 metadata:
   name: deis-controller