Installer: introduce namespacePrefix, fix certificates, split matrix installation using pre-install hook
diff --git a/charts/certificate-issuer/templates/www-certificate-public.yaml b/charts/certificate-issuer/templates/www-certificate-public.yaml
index d6b4dc6..cb0c7ff 100644
--- a/charts/certificate-issuer/templates/www-certificate-public.yaml
+++ b/charts/certificate-issuer/templates/www-certificate-public.yaml
@@ -10,7 +10,7 @@
   issuerRef:
     name: {{ .Values.public.name }}
     kind: ClusterIssuer
-  secretName: cert-www.{{ .Values.private.domain }}
+  secretName: cert-www.{{ .Values.public.domain }}
   secretTemplate:
     annotations:
       kubed.appscode.com/sync: "pcloud-instance-id={{ .Values.pcloudInstanceId }}"