Merge tag 'jm_15459b0e'

Tag for commit 15459b0e820f66aae9a304b1ca17e69fde770d2a

# gpg: Signature made Fri 01 May 2015 11:03:26 AM CEST using RSA key ID 5A4C6DAD
# gpg: Good signature from "Jason Mehring (Qubes OS Signing Key) <nrgaway@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: E0E3 2283 FDCA C1A5 1007  8F27 1BB9 B1FB 5A4C 6DAD

* tag 'jm_15459b0e':
  debian: Allow apt-get post hook to fail gracefully (won't work in chroot)
  debian: Only notify dom0 on apt-get post hook; don't update package index

network/00notiy-hook

@@ -1,2 +1 @@
-#DPkg::Post-Invoke {"echo 'invoked' >> /tmp/apt-post-invoke; systemctl start qubes-update-check.service";};
-DPkg::Post-Invoke {"systemctl start qubes-update-check.service";};
+DPkg::Post-Invoke {"/usr/lib/qubes/qrexec-client-vm dom0 qubes.NotifyUpdates /bin/sh -c 'echo 0' || true";};