Simplify code (pexcn#21)

Makefile

@@ -1,39 +1,10 @@
 include $(TOPDIR)/rules.mk
-
-PKG_NAME:=luci-app-chinadns-ng
 PKG_VERSION:=1.0
-PKG_RELEASE:=4
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/$(PKG_NAME)
-	SECTION:=luci
-	CATEGORY:=LuCI
-	SUBMENU:=3. Applications
-	TITLE:=LuCI support for chinadns-ng
-	LUCI_DEPENDS:=+chinadns-ng
-endef
-
-define Build/Prepare
-	$(foreach po,$(wildcard ${CURDIR}/luasrc/i18n/*.po), \
-		po2lmo $(po) ${CURDIR}/luasrc/i18n/$(patsubst %.po,%.lmo,$(notdir $(po)));)
-endef
-
-define Build/Configure
-endef
+PKG_RELEASE:=5
 
-define Build/Compile
-endef
+LUCI_TITLE:=LuCI support for chinadns-ng
+LUCI_DEPENDS:=+chinadns-ng
 
-define Package/$(PKG_NAME)/install
-	$(INSTALL_DIR) $(1)/usr/share/rpcd/acl.d/
-	$(INSTALL_DATA) root/usr/share/rpcd/acl.d/luci-app-chinadns-ng.json $(1)/usr/share/rpcd/acl.d/luci-app-chinadns-ng.json
-	$(INSTALL_DIR) $(1)/usr/lib/lua/luci/i18n
-	$(INSTALL_DATA) ${CURDIR}/luasrc/i18n/*.lmo $(1)/usr/lib/lua/luci/i18n/
-	$(INSTALL_DIR) $(1)/usr/lib/lua/luci/model/cbi
-	$(INSTALL_DATA) luasrc/model/cbi/chinadns-ng.lua $(1)/usr/lib/lua/luci/model/cbi/chinadns-ng.lua
-	$(INSTALL_DIR) $(1)/usr/lib/lua/luci/controller
-	$(INSTALL_DATA) luasrc/controller/chinadns-ng.lua $(1)/usr/lib/lua/luci/controller/chinadns-ng.lua
-endef
+include $(TOPDIR)/feeds/luci/luci.mk
 
-$(eval $(call BuildPackage,$(PKG_NAME)))
+# call BuildPackage - OpenWrt buildroot signature