raring armhf pxe boot image missing

[David Britton]

http://ports.ubuntu.com/ubuntu-ports//dists/raring/main/installer-armhf/current/images/highbank/netboot//vmlinuz

That file fails to download, causing the pxe image processing to fail. I filed another bug about the fragility of the script. This bug is simply about getting that file in place correctly.

MAAS version info:

root@peuchen:/var/lib/maas# apt-cache policy maas
maas:
  Installed: 1.4+bzr1551+dfsg-0ubuntu1~ctools0
  Candidate: 1.4+bzr1551+dfsg-0ubuntu1~ctools0
  Version table:
 *** 1.4+bzr1551+dfsg-0ubuntu1~ctools0 0
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu/ precise-updates/cloud-tools/main amd64 Packages
        100 /var/lib/dpkg/status
     1.2+bzr1373+dfsg-0ubuntu1~12.04.2 0
        500 http://archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
     0.1+bzr482+dfsg-0ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages