Add ssl-cert package to etherpad.

Change-Id: I717926f8c155a796047d58bdbb48cb58bde9b7c5
Reviewed-on: https://review.openstack.org/14585
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins

modules/etherpad_lite/manifests/apache.pp

@@ -8,6 +8,10 @@ class etherpad_lite::apache (
   $ssl_chain_file_contents='' # If left empty puppet will not create file.
 ) {
 
+  package { 'ssl-cert':
+    ensure => present,
+  }
+
   apache::vhost { $vhost_name:
     port => 443,
     docroot => 'MEANINGLESS ARGUMENT',