Allow for etherpad title to be parameterized

The general etherpad_lite module should not contain OpenStack as
a hardcoded title. Parameterize it.

Change-Id: I473720d9566233ab4c8d2081c9835b42ddfcb94e

modules/etherpad_lite/manifests/site.pp

@@ -2,6 +2,7 @@
 #
 class etherpad_lite::site (
   $database_password,
+  $etherpad_title,
   $sessionKey    = '',
   $dbType        = 'mysql',
   $database_user = 'eplite',

modules/etherpad_lite/templates/etherpad-lite_settings.json.erb

@@ -5,7 +5,7 @@
 */
 {
   // Name your instance!
-  "title": "OpenStack Etherpad",
+  "title": "<%= etherpad_title %>",
 
   //Ip and port which etherpad should bind at
   "ip": "127.0.0.1",

modules/openstack_project/manifests/etherpad.pp

@@ -25,6 +25,7 @@ class openstack_project::etherpad (
   }
 
   class { 'etherpad_lite::site':
+    etherpad_title    => 'OpenStack Etherpad',
     database_host     => $mysql_host,
     database_user     => $mysql_user,
     database_name     => $mysql_db_name,

modules/openstack_project/manifests/etherpad_dev.pp

@@ -19,6 +19,7 @@ class openstack_project::etherpad_dev (
   }
 
   class { 'etherpad_lite::site':
+    etherpad_title    => 'OpenStack Dev Etherpad',
     database_host     => $mysql_host,
     database_user     => $mysql_user,
     database_name     => $mysql_db_name,