updated core to 1.2.4, fixed pico_device init bug

zto/ext/installfiles/linux/zerotier-containerized/main.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+export PATH=/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin
+
+if [ ! -e /dev/net/tun ]; then
+	echo 'FATAL: cannot start ZeroTier One in container: /dev/net/tun not present.'
+	exit 1
+fi
+
+exec /zerotier-one