add memcached configuration option, small corrections for the build process and add installDrupal.sh file to the release
class systemd {
Exec {
refreshonly => true,
path => $::path,
}
exec {
'systemctl-daemon-reload':
command => 'systemctl daemon-reload',
}
exec {
'systemd-tmpfiles-create':
command => 'systemd-tmpfiles --create',
}
}