* fix problem with lucihelper script reported in OpenWrt Ticket 19419
* rewritten split_FQDN fixing detection errors and using zcat
* updated tld_names.dat and .gz compressed to save space
* add LoopiaDNS (loopia.se) to services_ipv6

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

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>

* remove CHANGELOG from distribution
* fix syslog output printing "\n" or other formating chars
* ddns configuration
    - new UCI-config value ddns.global.allow_local_ip "0" or "1"
(default "0") - (OpenWrt Ticket 18642)
* dynamic_dns_functions.sh
- new function split_FQDN() splits a given FQDN into host,
(registerable) domainname, and TLD using
https://publicsuffix.org/list/effective_tld_names.dat
- verify_host_port() use BIND host, if installed
- verify_host_port() not detecting ip, if already given
- fixed regexp for IP detection from nslookup's answer - (OpenWrt
Ticket 16363)
- support ddns.global.allow_local_ip to allow sending non public IP's
to DDNS provider like 127.x, 192.168.x.x or fxxx - (OpenWrt Ticket
18642)
* new file tld_names.dat
- used by dynamic_dns_functions.sh inside split_FQDN() function to
find valid TLD's
* update_cloudflare.sh
- modified subdomain/domain splitting using split_FQDN()
- modified support for AA12.09 (json_get_keys())
- minor fixes and cleanup
- many thanks to Aaron Tanner for testing

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

- moved /usr/lib/ddns/dynamic_dns_lucihelper.sh from luci-app-ddns into this package
	(Github openwrt/luci issue 251)
	(OpenWrt Trac tickets 18326 18347)
- fix: dynamic_dns_update.sh did not loop
	(OpenWrt Trac ticket 18336)
- add provider cloudflare.com IPv4 and IPv6 (Thanks to Paul for support and testing)
	(OpenWrt Trac ticket 12500)
- modified detection, if dynamic_dns_fuctions are used by dynamic_dns_lucihelper.sh
- redirect stdout of wget,curl,host,nslookup,nc etc to /tmp/ddns_$$.dat and *.err instead of variables
- extended error detection in get_local_ip function
- modified verify of option ip_script to allow parameters, when calling
- add provider selfhost.de IPv4
- add provider no-ip.pl (nothing to do with no-ip.com)
	(Github openwrt/packages issue #542)
	IPv4 (tested) and also added for
	IPv6 (NOT tested) because client IP is autodetected be provider
- add getlocalip_sample.sh as sample script for usage of
	option ip_source 'script'  together with
	option ip_script '/usr/lib/ddns/getlocalip.sh -4'
- cleanup whitespaces at line ends

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

- fixed postinst and prerm in Makefile
- implementation of provider specific update scripts into services and
services_ipv6 file.
	first Provider "no-ip.com"	- Thanks to DarkStarXxX for
request and testing
- finished uci/ddns wiki at http://wiki.openwrt.org/doc/uci/ddns
- rewritten retry management
- rewritten logging including following Issue 469
	https://github.com/openwrt/packages/issues/469
- stop running sections on hotplug ifdown event (like start on ifup)
- implement trap detection
	also kill "sleep" child processes
	SIGHUP to reload configuration (not really reloading, simply
starting a new process)
	/etc/init.d/ddns reload implemented
- code optimization
- new provider LoopiaDNS.se	Issue 494
	https://github.com/openwrt/packages/issues/494

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

Squashed commit of the following:

commit fc1d42f069
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 18:01:43 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

commit 731f9b4df0
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 17:59:25 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

    personal helper script to create hashes for CA-Certificates for Wget and cURL using https protocol without errors.

    Sorry GitHub web interface only supports single commits that will be summarized into one pull request.
    Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

commit df8f6c9d5d
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 17:56:05 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

    rewritten

    Sorry GitHub web interface only supports single commits that will be summarized into one pull request.
    Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

commit 50cdf5acb9
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 17:54:40 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

    rewritten

    Sorry GitHub web interface only supports single commits that will be summarized into one pull request.
    Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

commit b1d650a345
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 17:52:52 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

    not needed in this version

    Sorry GitHub web interface only supports single commits that will be summarized into one pull request.
    Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

commit 9532114b03
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 17:51:39 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

    same function as existing services file but used for IPv6

    Sorry GitHub web interface only supports single commits that will be summarized into one pull request.
    Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

commit a636bc25c6
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 17:46:56 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

    New file explaining availible parameters.

    Sorry GitHub web interface only supports single commits that will be summarized into one pull request.
    Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

commit 52332354fc
Author: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Date:   Sun Sep 21 17:44:45 2014 +0200

    [ddns-scripts] Update to Version 2.0.1-1

    Sorry GitHub web interface only supports single commits that will be summarized into one pull request.

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

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>