nodogsplash: fix minor package issues

- package now conflicts with nodogsplash2
- properly close heredoc block
- quiet uci when removing previous firewall hook

Signed-off-by: Moritz Warning <moritzwarning@web.de>

nodogsplash/Makefile

@@ -29,6 +29,7 @@ define Package/nodogsplash
 	DEPENDS:=+libpthread +iptables-mod-ipopt +libmicrohttpd-no-ssl
 	TITLE:=Open public network gateway daemon
 	URL:=https://github.com/nodogsplash/nodogsplash
+	CONFLICTS:=nodogsplash2
 endef
 
 define Package/nodogsplash/description

nodogsplash/files/etc/uci-defaults/40_nodogsplash

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-uci batch <<-EOT
+uci -q batch <<-EOF
 	delete firewall.nodogsplash
 	set firewall.nodogsplash=include
 	set firewall.nodogsplash.type=script