[Bf-python] Blender -b and Scenes

[Campbell Barton]

Blender running in backgroud mode dosent start with a scene.
there have been 2 bugs reported recently that exist because the python 
API can run when blender has no Scene.

Why not check for G.scene==NULL and make a new Scene on importing Blender?
Any objections?

- Cam

-- 
Campbell J Barton

133 Hope Street
Geelong West, Victoria 3218 Australia

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e-mail: cbarton at metavr.com
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