Build libtorrent with python3

[Marcus]

libtorrent supports building with python3 bindings for some time now, it is however only built with "--with python2" by debhelper.
Ubuntu should really ship this with python3 enabled.

[Andrew Starr-Bochicchio (andrewsomething)]

libtorrent-rasterbar (0.16.10-3ubuntu1) saucy; urgency=low

  * Resync on Debian unstable.
  * Update install file for removal of "u" python3 abi flag.

libtorrent-rasterbar (0.16.10-3) unstable; urgency=low

  * debian/patches:
    - fix-ftbfs-kfreebsd-iconv.patch: new patch, fix
      ftbfs on kfreebsd, thanks Pino Toscano! (Closes: #712797)
    - refresh other patches.

libtorrent-rasterbar (0.16.10-2) unstable; urgency=low

  * Upload to unstable.
    - fixes all ftbfs (Closes: #701311, #710624).
  * debian/control: switch to conditional build-dep on
    boost1.53-dev | boost-dev.

libtorrent-rasterbar (0.16.10-1) experimental; urgency=low

  * New upstream version 0.16.10.
  * Build python3 packages (patch by Andrew Starr-Bochicchio
    <email address hidden>) (Closes: #708072).
  * debian/rules: add explicit configure arg --with-libiconv.

libtorrent-rasterbar (0.16.9-1) experimental; urgency=low

  * New upstream version 0.16.9.
    - new package libtorrent-rasterbar7 (bump up library soname).
    - debian/control: drop now useless (build-)deps.
    - debian/control: switch to explicit boost1.53 (build-)deps.
    - upload to experimental: the library is pretty stable, but will be
      uploaded to unstable only after the transition of boost1.53.

 -- Andrew Starr-Bochicchio <email address hidden> Mon, 24 Jun 2013 12:23:51 -0400