ddns-scripts: Add more services and minor changes
- add support of knsupdate (update_nsupdate.sh
- url update easydns.com
- add some service answers
- alphabetic reorder services files for easier reading
- rename services/provider (Makefile postinst handle /etc/config/ddns)
-- freedns.afraid.org -> afraid.org
-- free.editdns.net -> editdns.net
-- domains.google.com -> google.com
-- spdns.de -> spdyn.de
-- strato.de -> strato.com
- new provider (looking in deep into https://sourceforge.net/projects/inadyn-mt project)
-- dyn.com (= dyndns.org)
-- ddnss.de
-- dhis.org
-- dnspark.com (IPv4 only)
-- dynsip.org (IPv4 only)
-- dynv6.com
-- joker.com (IPv4 only)
-- loopia.com (= loopia.se)
-- sitelutions.com (IPv4 only)
-- system-ns.com (IPv4 only)
- new provider (looking in deep into /etc.defaults/ddns_provider.conf file for Synology DiskStation published at https://gist.github.com/ntrepid8/6653274 )
-- able.or.kr (IPv4 only)
-- ddo.jp (IPv4 only)
-- dnsmadeeasy.com (IPv4 only)
-- oray.com (IPv4 only)
- new provider (looking in deep into https://github.com/ipfire/ddns project)
-- all-inkl.com
-- desec.io
-- domopoli.de (IPv4 only)
-- opendns.com (IPv4 only)
-- udmedia.de
-- xlhost.de (IPv4 only)
- new provider (looking in deep into https://github.com/yaddns/yaddns project )
-- dyndns.it (IPv4 only)
Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>