adapt to support khost (Knot DNS) and drill (ddns-scripts 2.7.1)

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

- fix problem not correctly handling "Bind Network" field #699
- some german translation extensions

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

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Sync translations

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

- corrections because uclient-fetch now support "force ip version"
- remove translations already part of base.po/base.pot

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

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

- fixes for https://dev.openwrt.org/ticket/21787
- changed detection of BusyBox nslookup compiled with musl, thanks to Arjen de Korte

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

Sync translations.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

- fixes for #611 and #620
- adaptions for ddns-scripts 2.6.0
-- add hint for problems with BusyBox nslookup compiled with musl and offer installing hostip package
-- add hint for not installed certificates inside /etc/ssl/certs and offer installing ca-certificates package https://github.com/openwrt/packages/pull/2243
-- check if malfunctional BusyBox nslookup installed, so disable using option dns_server if not Bind host or hostip installed
- optimizations
- cleanup: remove .po files without any translations

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

Sync translations.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

- support for new options "lookup_host", "param_enc" and "param_opt"
- rewritten ddns provider handling to only show/check needed options "domain", "username", etc.
- modified version check/handling incl. using new ipkg.compare_versions function
- modified map.title and map.description generation
- changed XHR.poll interval to 15 seconds on system status page
- using new value_parse function for testing and later implementation into cbi.lua
- some optimizations

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

Sync translations to the current strings.

Changes in luci-app-ddns, luci-app-mjpg-streamer, luci-app-qos,
luci-app-shadowsocks-libev, luci-app-statistics and luci-base

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

* reflect updated language file for zh-cn
* change default for retry_count to 0 compatible to ddns-scripts 2.4.2-1
* addition to retry_count help description
* modified dependency on ddns-scripts 2.4.2-1

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

fix typos and elegant zh_CN translations

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

- implement new option bind_interface
- fixes problems when updating status displays (i.e. showing Software update needed)
- new links to OpenWrt wiki
- new screen to set global settings
- implements global option use_curl

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

- adaption Makefile to changed luci.mk
- description in Makefile for correct version handling
- modified handling to detect and display installed version
- new functions ipkg_ver_installed() and ipkg_ver_compare
- correct wrong spellings
- modified language template and German translation

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

- adaption to LuCI's new directory structure on github
- adaption to LuCI's new Makefile optional settings
- remove CHANGELOG from github
- directory structure cleanup
not all patches of 2.1.0-3 and before were applied to new directory
structure

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

 * Rename subdirectories to their repective OpenWrt package names
 * Make each LuCI module its own standalone package
 * Deploy a shared luci.mk which is used by each module Makefile

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>