Add code to use latest ppas

The ppas are currently coded in the keystone module.

This code adds them to the glance example to ensure that
we get the latest version of the glance packages.

examples/single.pp

@@ -1,4 +1,17 @@
 
+# uses the keystone packages
+# to ensure that we use the latest precise packages
+Exec { logoutput => 'on_failure' }
+
+stage { 'glance_ppa': }
+
+class { 'apt':
+  stage => 'glance_ppa',
+}
+class { 'keystone::repo::trunk':
+  stage => 'glance_ppa',
+}
+
 node glance {
 
   class { 'role_glance_sqlite': }

manifests/keystone/auth.pp

@@ -9,7 +9,7 @@ class glance::keystone::auth(
   Class['keystone::roles::admin'] -> Class['glance::keystone::auth']
 
   keystone_user { $auth_name:
-    ensure   => present, 
+    ensure   => present,
     password => $password,
   }
   keystone_user_role { "${auth_name}@service":
@@ -26,6 +26,6 @@ class glance::keystone::auth(
     admin_url    => "http://${address}:${port}/v1",
     internal_url => "http://${address}:${port}/v1",
     require      => Keystone_service[$auth_name]
-  } 
+  }
 
 }