Disable MultiViews in apache vhost

MultiView is used to switch the content according to the type map.
However this feature is not really used by the wsgi application of
OpenStack services.

This removes the option because this is sometimes regarded as
a security concern.

Change-Id: I41a8b242e6dfa4061fa0dc6912bda72e892e3da1

manifests/wsgi/apache.pp

@@ -391,7 +391,7 @@ define openstacklib::wsgi::apache (
     error_log_pipe             => $error_log_pipe,
     error_log_syslog           => $error_log_syslog,
     log_level                  => $log_level,
-    options                    => ['-Indexes', '+FollowSymLinks','+MultiViews'],
+    options                    => ['-Indexes', '+FollowSymLinks'],
   }
 
   Package<| title == 'httpd' |>

spec/defines/openstacklib_wsgi_apache_spec.rb

@@ -79,7 +79,7 @@ describe 'openstacklib::wsgi::apache' do
         :wsgi_script_aliases         => { '/' => "/var/www/cgi-bin/keystone/main" },
         :wsgi_application_group      => '%{GLOBAL}',
         :setenvif                    => ['X-Forwarded-Proto https HTTPS=1'],
-        :options                     => ['-Indexes', '+FollowSymLinks','+MultiViews'],
+        :options                     => ['-Indexes', '+FollowSymLinks'],
       )}
 
       it { should contain_concat("#{platform_params[:httpd_ports_file]}") }