Import patches-unapplied version 2.458 to ubuntu/artful-proposed

Imported using git-ubuntu import.

Changelog parent: 7fd585146b

New changelog entries:
  * Move default netplan config for server-live image to where hook will
    pick it up.

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.458) artful; urgency=medium
+
+  * Move default netplan config for server-live image to where hook will
+    pick it up.
+
+ -- Michael Hudson-Doyle <mwhudson@debian.org>  Mon, 18 Sep 2017 10:47:59 +1200
+
 livecd-rootfs (2.457) artful; urgency=medium
 
   * Enable systemd-networkd by default.

live-build/ubuntu-server/hooks/032-installer-squashfs.binary

@@ -24,7 +24,7 @@ fi
 . config/functions
 
 SQUASH_ROOT=binary/boot/squashfs.dir
-OVERLAY_ROOT=binary/boot/overlay.dir
+OVERLAY_ROOT=binary/overlay
 
 mkdir -p "$OVERLAY_ROOT"