Add ssl-cert package dependency to jenkins::master

jenkins::master has a file whose group is set to 'ssl-cert'. That group
is created by the ssl-cert package. Add the package to the manifest and
have the file require it.

Change-Id: I132eb6cebf9c59a9d1502e50f20de4c9658464fd
Reviewed-on: https://review.openstack.org/14417
Reviewed-by: Paul Belanger <paul.belanger@polybeacon.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

modules/jenkins/manifests/master.pp

@@ -61,6 +61,7 @@ class jenkins::master(
       group   => 'ssl-cert',
       mode    => '0640',
       content => $ssl_key_file_contents,
+      require => Package['ssl-cert'],
       before  => Apache::Vhost[$vhost_name],
     }
   }
@@ -77,6 +78,7 @@ class jenkins::master(
 
   $packages = [
     'python-babel',
+    'ssl-cert',
   ]
 
   package { $packages: