ddns-scripts: Update to version 2.1.0-3

- removed special handling for dynamic_dns_helper.sh and url_escape.sed in Makefile/postinst
- minor fixes in logging
- allow retry_count of "0" to run infinite retrys on error
	-- https://dev.openwrt.org/ticket/18382
- changed naming of .dat and .err file to have one per section, not one per process
- defer hotplug helper from 25-ddns to 95-ddns (according initscript START=95)
	-- https://github.com/openwrt/packages/issues/568 (#568)
- fix commandline for busybox wget
	-- https://dev.openwrt.org/ticket/18411
	-- https://dev.openwrt.org/ticket/18437
	-- https://github.com/openwrt/packages/issues/605 (#605)
- remove checking answer from ddns provider because there are to many different.
	Some providers do not follow API from dyndns.com

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

net/ddns-scripts/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ddns-scripts
 PKG_VERSION:=2.1.0
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 PKG_LICENSE:=GPL-2.0
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
@@ -19,8 +19,7 @@ define Package/ddns-scripts
 endef
 
 define Package/ddns-scripts/description
-	A highly configurable set of scripts for doing dynamic dns updates.
-	NEW in this version:
+A highly configurable set of scripts for doing dynamic dns updates.
 	- IPv6 support
 	- force communication to IPv4 or IPv6 only
 	- DNS server support
@@ -29,6 +28,7 @@ define Package/ddns-scripts/description
 	- Proxy server support
 	- log file support
 	- support to run once
+Version: $(PKG_VERSION)-$(PKG_RELEASE)
 endef
 
 define Build/Prepare
@@ -64,14 +64,6 @@ define Package/ddns-scripts/postinst
 	# if run within buildroot exit
 	[ -n "$${IPKG_INSTROOT}" ] && exit 0
 
-	# remove old sed script file
-	[ -f /usr/lib/ddns/url_escape.sed ] && rm -f /usr/lib/ddns/url_escape.sed
-
-	# luci updates are not in sync with ddns-script updates !!!
-	# if old luci-app-ddns then errors during install because exist from differnt package
-	# copy dynamic_dns_helper.tmp.sh -> dynamic_dns_helper.sh
-	cp -f /usr/lib/ddns/dynamic_dns_lucihelper.tmp.sh /usr/lib/ddns/dynamic_dns_lucihelper.sh
-
 	# add new section "ddns" "global" if not exists
 	uci -q get ddns.global > /dev/null || uci -q set ddns.global='ddns'
 	uci -q get ddns.global.date_format > /dev/null || uci -q set ddns.global.date_format='%F %R'