Sync iproute 20121001-1 (main) from Debian experimental (main)

Please sync iproute 20121001-1 (main) from Debian experimental (main)

Explanation of the Ubuntu delta and why it can be dropped:
  * Resynchronise with Debian. Remaining changes:
    - Add cross-building support.

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The Raring (and Quantal) kernels support the new fq_codel network
scheduler, but the iproute package also needs to be updated to make
full use of the functionality.

Iproute in Debian unstable is currently frozen by the Wheezy freeze;
Debian maintainer Andreas Henriksson has been uploading updates to
experimental in the interim.

Per Andreas (and test results from a PPA build of the new iproute),
the 'experimental' version is okay to ship in Ubuntu. However, one
signficant bug has been fixed upstream (we might consider carrying
this as a patch on top of 20121001-1 until the next sync):
http://git.kernel.org/?p=linux/kernel/git/shemminger/iproute2.git;a=commitdiff;h=7f747fd9377b8538adeba7332d25905ba08ac156;hp=ec72fd73803bc976c997e6a727a5a174aa2db86d

The Ubuntu delta (cross-building support) will also need to be
re-applied.

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Changelog entries since current raring version 20120521-3ubuntu1:

iproute (20121001-1) experimental; urgency=low

  * Imported Upstream version 3.6.0 (aka snapshot 20121001)

 -- Andreas Henriksson <email address hidden> Tue, 02 Oct 2012 23:49:00 +0200

iproute (20120813-1) experimental; urgency=low

  * Add references to fixed bugs in changelog entry for 20120801-1
  * Fix download url in debian/copyright
  * Imported Upstream version 20120813

 -- Andreas Henriksson <email address hidden> Tue, 14 Aug 2012 17:11:20 +0200

iproute (20120801-1) experimental; urgency=low

  * Imported Upstream version 20120801 aka v3.5.0
    - includes new tc codel support (Closes: #675942)
    - support both del and delete in all cases (Closes: #673355)
    - manpage fixes from Bjarni Ingi Gislason (Closes: #674704, #674706)
  * debian/iproute.install: Install new bridge tool to /sbin

 -- Andreas Henriksson <email address hidden> Thu, 02 Aug 2012 02:03:07 +0200