Add lacking -S option (system) to adduser/addgroup in scripts.

Groups and users created by packages shouldn't use high ids by default
(unless explicitly requested), to distinguish them from groups and users
created by administrators for humans.

Following 41 files lacked -S next to addgroup:
- community/sword/sword.pre-install
- main/amavisd-new/amavisd-new.pre-install
- main/chrony/chrony.pre-install
- main/cvechecker/cvechecker.pre-install
- main/dnsmasq/dnsmasq.pre-install
- main/freeradius/freeradius.pre-install
- main/gdnsd/gdnsd.pre-install
- main/haproxy/haproxy.pre-install
- main/haproxy/haproxy.pre-upgrade
- main/kamailio/kamailio.pre-install
- main/logcheck/logcheck.pre-install
- main/mlmmj/mlmmj.pre-install
- main/nrpe/nrpe.pre-install
- main/open-vm-tools/open-vm-tools.pre-install
- main/postgrey/postgrey.pre-install
- main/privoxy/privoxy.pre-install
- main/redis/redis.pre-install
- main/samba/winbind.pre-install
- main/sircbot/sircbot.pre-install
- main/smokeping/smokeping.pre-install
- main/squark/squark.post-install
- main/squid/squid.pre-install
- main/squid/squid.pre-upgrade
- main/subversion/subversion.pre-install
- main/trac/trac.pre-install
- main/vsftpd/vsftpd.pre-install
- main/zabbix/zabbix-agent.pre-install
- testing/3proxy/3proxy.pre-install
- testing/cluster-glue/cluster-glue.pre-install
- testing/elasticsearch/elasticsearch.pre-install
- testing/emby/emby.pre-install
- testing/gdnsd/gdnsd.pre-install
- testing/icinga2/icinga2.pre-install
- testing/lusca/lusca.pre-install
- testing/lusca/lusca.pre-upgrade
- testing/mongodb/mongodb.pre-install
- testing/openxcap/openxcap.pre-install
- testing/prosody/prosody.pre-install
- testing/rancid/rancid.pre-install
- testing/rutorrent/rutorrent.pre-install
- testing/zabbix/zabbix-agent.pre-install

Following 60 files lacked -S next to adduser:
- community/caddy/caddy.pre-install
- community/domoticz/domoticz.pre-install
- community/minetest/minetest-server.pre-install
- community/oscam/oscam.pre-install
- community/seafile/seafile-server.pre-install
- community/syncthing/syncthing.pre-install
- main/apache2/apache2.pre-install
- main/aports-build/aports-build.pre-install
- main/atheme-iris/atheme-iris.pre-install
- main/bind/bind.pre-install
- main/clamav/clamav-db.pre-install
- main/clamsmtp/clamsmtp.pre-install
- main/clamsmtp/clamsmtp.pre-upgrade
- main/coova-chilli/coova-chilli.pre-install
- main/cvechecker/cvechecker.pre-install
- main/dhcp/dhcp.pre-install
- main/distcc/distcc.pre-install
- main/djbdns/dnscache.pre-install
- main/djbdns/tinydns.pre-install
- main/dovecot/dovecot.pre-install
- main/ez-ipupdate/ez-ipupdate.pre-install
- main/fetchmail/fetchmail.pre-install
- main/freeswitch/freeswitch.pre-install
- main/gitolite/gitolite.pre-install
- main/gnats/gnats.pre-install
- main/gross/gross.pre-install
- main/icecast/icecast.pre-install
- main/kamailio/kamailio.pre-install
- main/lighttpd/lighttpd.pre-install
- main/mariadb/mariadb.pre-install
- main/memcached/memcached.pre-install
- main/ngircd/ngircd.pre-install
- main/nrpe/nrpe.pre-install
- main/openntpd/openntpd.pre-install
- main/postgrey/postgrey.pre-install
- main/snort/snort.pre-install
- main/squid/squid.pre-install
- main/squid/squid.pre-upgrade
- main/subversion/subversion.pre-install
- main/trac/trac.pre-install
- main/transmission/transmission-daemon.pre-install
- main/ympd/ympd.pre-install
- main/znc/znc.pre-install
- testing/at/at.pre-install
- testing/buildbot-slave/buildbot-slave.pre-install
- testing/buildbot/buildbot.pre-install
- testing/clapf/clapf.pre-install
- testing/cluster-glue/cluster-glue.pre-install
- testing/dbmail/dbmail.pre-install
- testing/dspam/dspam.pre-install
- testing/ejabberd/ejabberd.pre-install
- testing/emby/emby.pre-install
- testing/mongodb/mongodb.pre-install
- testing/opensips/opensips.pre-install
- testing/pdns/pdns.pre-install
- testing/prosody/prosody.pre-install
- testing/qpage/qpage.pre-install
- testing/rrdbot/rrdbot.pre-install
- testing/wt/wt.pre-install
- unmaintained/ejabberd-git/ejabberd-git.pre-install

community/caddy/caddy.pre-install

 #!/bin/sh
-adduser -h /var/lib/caddy -D -s /sbin/nologin caddy 2>/dev/null
+adduser -S -h /var/lib/caddy -D -s /sbin/nologin caddy 2>/dev/null
 adduser caddy www-data 2>/dev/null
 exit 0

community/domoticz/domoticz.pre-install

 #!/bin/sh
-adduser -h /var/lib/domoticz -D -s /sbin/nologin domoticz 2>/dev/null
+adduser -S -h /var/lib/domoticz -D -s /sbin/nologin domoticz 2>/dev/null
 exit 0

community/icinga2/icinga2.pre-install

 #!/bin/sh
-addgroup icinga 2>/dev/null
-addgroup icingacmd 2>/dev/null
+addgroup -S icinga 2>/dev/null
+addgroup -S icingacmd 2>/dev/null
 adduser -S -G icinga -H -h /var/spool/icinga2 -s /sbin/nologin -D icinga 2>/dev/null
 adduser icinga icingacmd 2>/dev/null 2>/dev/null
 exit 0

community/minetest/minetest-server.pre-install

 #!/bin/sh
-adduser -s /sbin/nologin -D -h /var/lib/minetest minetest games 2>/dev/null
+adduser -S -s /sbin/nologin -D -h /var/lib/minetest minetest games 2>/dev/null
 exit 0

community/oscam/oscam.pre-install

 #!/bin/sh
-adduser -H -D -s /sbin/nologin oscam 2>/dev/null
+adduser -S -H -D -s /sbin/nologin oscam 2>/dev/null
 addgroup oscam usb 2>/dev/null
 exit 0

community/seafile/seafile-server.pre-install

@@ -3,5 +3,5 @@
 SEAFILE_HOME=/var/lib/seafile
 
 addgroup -S -g 800 seafile 2>/dev/null
-adduser -h $SEAFILE_HOME -s /bin/sh -G seafile -g seafile -u 800 -D seafile 2>/dev/null
+adduser -S -h $SEAFILE_HOME -s /bin/sh -G seafile -g seafile -u 800 -D seafile 2>/dev/null
 exit 0

community/sword/sword.pre-install

 #!/bin/sh
 echo "Adding 'sword' group for installing SWORD modules systemwide"
-addgroup sword 2>/dev/null >&2 || true
+addgroup -S sword 2>/dev/null >&2 || true

community/syncthing/syncthing.pre-install

 #!/bin/sh
-adduser -H -h /var/lib/syncthing -s /sbin/nologin -D syncthing 2>/dev/null
+adduser -S -H -h /var/lib/syncthing -s /sbin/nologin -D syncthing 2>/dev/null
 exit 0

main/amavisd-new/amavisd-new.pre-install

 #!/bin/sh
 
-addgroup amavis 2>/dev/null
+addgroup -S amavis 2>/dev/null
 adduser -S -D -G amavis -h /var/amavis -s /sbin/nologin amavis 2>/dev/null
 exit 0
 

main/apache2/apache2.pre-install

 #!/bin/sh
 addgroup -S -g 82 www-data 2>/dev/null
-adduser -H -h /var/www -s /sbin/nologin -D apache 2>/dev/null
+adduser -S -H -h /var/www -s /sbin/nologin -D apache 2>/dev/null
 addgroup apache www-data 2>/dev/null
 exit 0

main/aports-build/aports-build.pre-install

 #!/bin/sh
 
-adduser -D buildozer -s /bin/sh 2>/dev/null
+adduser -S -D buildozer -s /bin/sh 2>/dev/null
 exit 0

main/atheme-iris/atheme-iris.pre-install

 #!/bin/sh
-adduser -H -h /usr/share/webapps/atheme-iris -g iris -D -s /sbin/nologin iris >/dev/null
+adduser -S -H -h /usr/share/webapps/atheme-iris -g iris -D -s /sbin/nologin iris >/dev/null
 exit 0
 

main/bind/bind.pre-install

 #!/bin/sh
 
 addgroup -S named 2>/dev/null
-adduser -h /etc/bind -s /sbin/nologin -G named -D named 2>/dev/null
+adduser -S -h /etc/bind -s /sbin/nologin -G named -D named 2>/dev/null
 exit 0
 

main/chrony/chrony.pre-install

 #!/bin/sh
 
-addgroup chrony 2>/dev/null
+addgroup -S chrony 2>/dev/null
 adduser -S -G chrony -h /var/log/chrony -s /sbin/nologin -D chrony 2>/dev/null
 exit 0

main/clamav/clamav-db.pre-install

 #!/bin/sh
 
-adduser -H -s /sbin/nologin -D clamav 2>/dev/null
+adduser -S -H -s /sbin/nologin -D clamav 2>/dev/null
 exit 0

main/clamsmtp/clamsmtp.pre-install

 #!/bin/sh
 
-adduser -H -s /sbin/nologin -D clamav 2>/dev/null
+adduser -S -H -s /sbin/nologin -D clamav 2>/dev/null
 exit 0

main/clamsmtp/clamsmtp.pre-upgrade

@@ -10,5 +10,5 @@ if [ -f "$old" ] && [ ! -f "$new" ]; then
 	echo " *"
 fi
 
-adduser -H -s /bin/false -D clamav 2>/dev/null
+adduser -S -H -s /bin/false -D clamav 2>/dev/null
 exit 0

main/coova-chilli/coova-chilli.pre-install

 #!/bin/sh
-adduser -H -s /sbin/nologin -D chilli 2>/dev/null
+adduser -S -H -s /sbin/nologin -D chilli 2>/dev/null
 exit 0
 

main/cvechecker/cvechecker.pre-install

 #!/bin/sh
-addgroup cvechecker &>/dev/null
-adduser cvechecker -h /var/cvechecker -DG cvechecker &>/dev/null
+addgroup -S cvechecker &>/dev/null
+adduser -S cvechecker -h /var/cvechecker -DG cvechecker &>/dev/null

main/dhcp/dhcp.pre-install

 #!/bin/sh
 
-adduser -h /var/lib/dhcp -s /sbin/nologin -D dhcp 2>/dev/null
+adduser -S -h /var/lib/dhcp -s /sbin/nologin -D dhcp 2>/dev/null
 exit 0