[mw/socket] Fix a fallout from 'timestamp' in pr2 joinstate export
[tests] Fix fallout from timestamp

Nothing fancy here, basically:
  - each sensor contains one more field
  - don't test all field of pose against 0, but all fields except
    'timestamp' one.
[bin/morse] Mark 2.69 as OK to use with Morse
[builder] Fix fallout from the removing of SINGLETEXTURE in blender-current
[core] Implement properly 'is_fastmode'

Check about the space3D mode, not the texture used inside. In
particular, it fixes the implementation for blender-current