Added a new profile to manage common packages

* will by default pull data from hiera
  * could change it on a per-distro/role basis
  * requires stdlib for ensure_packages

site/profiles/manifests/base.pp

@@ -16,4 +16,9 @@ class profiles::base (
       fail("Unsupported OS family ${facts['os']['family']}")
     }
   }
+
+  class { 'profiles::base::packages':
+    packages => hiera('profiles::base::packages::common'),
+    ensure   => 'installed',
+  }
 }