Correct transaction management. cf. bug https://openrdf.atlassian.net/browse/SES-2295 and tomcat default management of PUT request with form data (application/x-www-form-urlencoded encoded)
## Default mods
# Base class. Declares default vhost on port 80 and default ssl
# vhost on port 443 listening on all interfaces and serving
# $apache::docroot, and declaring our default set of modules.
class { 'apache':
default_mods => true,
}