Move older core updates to archive

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

config/rootfiles/oldcore/91/exclude

@@ -0,0 +1,20 @@
+boot/config.txt
+etc/collectd.custom
+etc/ipsec.conf
+etc/ipsec.secrets
+etc/ipsec.user.conf
+etc/ipsec.user.secrets
+etc/localtime
+etc/shadow
+etc/ssh/ssh_config
+etc/ssh/sshd_config
+etc/ssl/openssl.cnf
+etc/sudoers
+etc/sysconfig/firewall.local
+etc/sysconfig/rc.local
+etc/udev/rules.d/30-persistent-network.rules
+srv/web/ipfire/html/proxy.pac
+var/ipfire/ovpn
+var/log/cache
+var/state/dhcp/dhcpd.leases
+var/updatecache