Set translate.openstack.org to 3.7.3

Now that the checksum has been updated to SHA-1, we can re-add it
back to this repository, which also locks translate.openstack.org
to version 3.7.3 until we are ready to upgrade.

This partially reverts commit 14ba55836a.

Change-Id: I310b3413ee2214b8da50e8dd5339e331cebd749d
Depends-On: Ib4b59866bdfe449918be35a443b898e58dd7e432

manifests/site.pp

@@ -973,6 +973,8 @@ node 'translate.openstack.org' {
     zanata_server_user      => hiera('proposal_zanata_user', 'XXX'),
     zanata_server_api_key   => hiera('proposal_zanata_api_key', 'XXX'),
     zanata_wildfly_version  => '9.0.1',
+    zanata_url              => 'https://sourceforge.net/projects/zanata/files/webapp/zanata-war-3.7.3.war',
+    zanata_checksum         => '59f1ac35cce46ba4e46b06a239cd7ab4e10b5528',
     project_config_repo     => 'https://git.openstack.org/openstack-infra/project-config',
     ssl_cert_file_contents  => hiera('translate_ssl_cert_file_contents', 'XXX'),
     ssl_key_file_contents   => hiera('translate_ssl_key_file_contents', 'XXX'),

modules/openstack_project/manifests/translate.pp

@@ -23,6 +23,8 @@ class openstack_project::translate(
   $zanata_server_user = '',
   $zanata_server_api_key = '',
   $zanata_wildfly_version = '',
+  $zanata_url = '',
+  $zanata_checksum = '',
   $project_config_repo = '',
   $openid_url = '',
   $vhost_name = $::fqdn,
@@ -50,6 +52,8 @@ class openstack_project::translate(
     zanata_admin_users          => $admin_users,
     zanata_default_from_address => $from_address,
     zanata_wildfly_version      => $wildfly_version,
+    zanata_url                  => $zanata_url,
+    zanata_checksum             => $zanata_checksum,
   }
 
   class { '::zanata::apache':