Bug#729289: transition: openscenegraph

choreonoid is now fixed (thanks to Andreas for sponsorship), which justleaves getting simgear through NEW and uploading flightgear/fgrun.

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Follow-Ups:
- Bug#729289: transition: openscenegraph
  - From: Niels Thykier <niels@thykier.net>

References:
- Bug#729289: whatever you want to call this: openscenegraph
  - From: "Manuel A. Fernandez Montecelo" <manuel.montezelo@gmail.com>
- Bug#729289: transition: openscenegraph
  - From: "Rebecca N. Palmer" <r.palmer@bham.ac.uk>
- Bug#729289: transition: openscenegraph
  - From: Niels Thykier <niels@thykier.net>
- Bug#729289: transition: openscenegraph
  - From: "Manuel A. Fernandez Montecelo" <manuel.montezelo@gmail.com>
- Bug#729289: transition: openscenegraph
  - From: "Rebecca N. Palmer" <r.palmer@bham.ac.uk>
- Bug#729289: transition: openscenegraph
  - From: "Manuel A. Fernandez Montecelo" <manuel.montezelo@gmail.com>
- Bug#729289: transition: openscenegraph
  - From: "Rebecca N. Palmer" <r.palmer@bham.ac.uk>