Fix horizon dashboard

WIP: Needs testing and probably Mirantis branding.
Change-Id: If6b359ec28470265be1cf7a27bf21c290e9b2bc8
diff --git a/classes/cluster/virtual-mcp10-dvr/openstack/proxy.yml b/classes/cluster/virtual-mcp10-dvr/openstack/proxy.yml
index d0d51f2..600819d 100644
--- a/classes/cluster/virtual-mcp10-dvr/openstack/proxy.yml
+++ b/classes/cluster/virtual-mcp10-dvr/openstack/proxy.yml
@@ -12,4 +12,9 @@
       authority: ${_param:salt_minion_ca_authority}
       engine: salt
       mode: secure
-    salt_minion_ca_host: cfg01.${_param:cluster_domain}
\ No newline at end of file
+    salt_minion_ca_host: cfg01.${_param:cluster_domain}
+  linux:
+    system:
+      package:
+        libapache2-mod-wsgi:
+          version: latest