Use native tmpfiles.d for systemd (#969)

debian/lemonldap-ng-fastcgi-server.service

 [Unit]
 Description=FastCGI server for Lemonldap::NG websso system
 After=network.target
+Documentation=http://lemonldap-ng.org/documentation/latest/fastcgiserver
 
 [Service]
 Type=forking
 EnvironmentFile=/etc/default/lemonldap-ng-fastcgi-server
 PIDFile=/var/run/llng-fastcgi-server/llng-fastcgi-server.pid
-ExecStartPre=-/bin/mkdir /var/run/llng-fastcgi-server
-ExecStartPre=/bin/chown www-data:www-data /var/run/llng-fastcgi-server
 ExecStart=/usr/sbin/llng-fastcgi-server
 ExecStop=-/sbin/start-stop-daemon --quiet --stop --retry QUIT/5 --pidfile ${PID}
 KillMode=mixed

debian/lemonldap-ng-fastcgi-server.tmpfile

+d	/run/llng-fastcgi-server	0755	www-data	www-data	-	-

debian/liblemonldap-ng-common-perl.lintian-overrides

@@ -11,3 +11,5 @@ liblemonldap-ng-common-perl: non-standard-file-perm var/lib/lemonldap-ng/conf/lm
 # directory, so it must not be readable by all but must be writable by www-data
 liblemonldap-ng-common-perl: non-standard-dir-perm var/lib/lemonldap-ng/sessions/ 0770 != 0755
 liblemonldap-ng-common-perl: non-standard-dir-perm var/lib/lemonldap-ng/sessions/lock/ 0770 != 0755
+liblemonldap-ng-common-perl: non-standard-dir-perm var/lib/lemonldap-ng/psessions/ 0770 != 0755
+liblemonldap-ng-common-perl: non-standard-dir-perm var/lib/lemonldap-ng/psessions/lock/ 0770 != 0755

fastcgi-server/systemd/llng-fastcgi-server.service

@@ -6,8 +6,6 @@ After=network.target
 Type=forking
 EnvironmentFile=/etc/default/llng-fastcgi-server
 PIDFile=__FASTCGISOCKDIR__/llng-fastcgi-server.pid
-ExecStartPre=-/bin/mkdir __FASTCGISOCKDIR__
-ExecStartPre=/bin/chown __USER__:__GROUP__ __FASTCGISOCKDIR__
 ExecStart=__SBINDIR__/llng-fastcgi-server
 ExecStop=-/sbin/start-stop-daemon --quiet --stop --retry QUIT/5 --pidfile ${PID}
 KillMode=mixed