ddns-scripts: Update to version 2.2.0-1

modified source directory structure
  - files for production files
  - samples for sample files (not installed in final build)
modified Makefile
  - separate options for additional provider scripts
  - remove comments and empty lines from final build
add IPv4 100.64/10 (RFC 6598) and 169.254/16 (RFC 5735) to the range of default blocked IP's.
new option "bind_network" to force GNU Wget or cURL to use specific network/interface for communication
new "domains.google.com" as IPv4 DDNS provider #822

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

net/ddns-scripts/files/etc/init.d/ddns

@@ -1,26 +0,0 @@
-#!/bin/sh /etc/rc.common
-START=95
-STOP=10
-
-boot() {
-	return 0
-}
-
-reload() {
-	killall -1 dynamic_dns_updater.sh 2>/dev/null	# send SIGHUP
-}
-
-restart() {
-	stop
-	sleep 1	# give time to shutdown
-	start
-}
-
-start() {
-	. /usr/lib/ddns/dynamic_dns_functions.sh
-	start_daemon_for_all_ddns_sections
-}
-
-stop() {
-	killall dynamic_dns_updater.sh 2>/dev/null
-}