applications/memcached
applications/redis
applications/zabbix/agent
security/iptables/filter
networking/ntp/client
system/logrotate
system/routes
system/sudoers
system/syslog
utilities/generic_services: minor fixes
utilities/openssl/gencert
tests, documentation, and cfsketches.json update
Merge branch 'master' of github.com:cfengine/design-center
memcached: update docs, config, add test mode, and test.cf
redis: update docs, config, add test mode, and test.cf
redis: update test.cf and use dclib:eu; memcached: use dclib:eu
cf-sketch: remove old sketch demos
memcached: use dclib:eu.1
aptrepo: move to dclib:eu
yumrepo: move to dclib:eu