[client] Get keystone client package as well

Glance operations (i.e. glanceng state) require
the keystone client for proper authencation.

Change-Id: I7b81a774deab437b94acac7a80f116d291d3bfd1
Closes-Bug: PROD-19376
diff --git a/glance/map.jinja b/glance/map.jinja
index fc912f3..0329941 100644
--- a/glance/map.jinja
+++ b/glance/map.jinja
@@ -49,10 +49,10 @@
 
 {% set client = salt['grains.filter_by']({
     'Debian': {
-        'pkgs': ['python-glanceclient']
+        'pkgs': ['python-glanceclient', 'python-keystoneclient']
     },
     'RedHat': {
-        'pkgs': ['python-glanceclient']
+        'pkgs': ['python-glanceclient', 'python-keystoneclient']
     },
 }, merge=pillar.glance.get('client', {})) %}