conntrack-tools: import from OpenWrt base

In order to allow for the switch from librpc to libtirpc, we need to
relocate the conntrack-tools package here.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

net/conntrack-tools/files/conntrackd.init

@@ -0,0 +1,18 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2015 OpenWrt.org
+
+START=21
+STOP=89
+
+USE_PROCD=1
+PROG="/usr/sbin/conntrackd"
+
+start_service() {
+	[ -e /etc/conntrackd/conntrackd.conf ] || return
+	procd_open_instance
+
+	procd_set_param command $PROG -C /etc/conntrackd/conntrackd.conf
+	procd_set_param respawn
+
+	procd_close_instance
+}