finished

from John Brown (jcbdigger) 
patch file:
    fbx_xna_unified-2011-08-02a_jcbdigger.patch


Option not to export Default Take

fbx_xna_unified-2011-08-01b_jcbdigger.patch

Only part of this patch has been applied (just the changes to the operator).

from John Brown (jcbdigger)

The patch has been modified, some of the changes I rather see applied as separate patches.

This commit adds/changes:
- Option to export XNA compatible armature rotations.
- Option not to export mesh edges.
- Always export armatures as 'Limb' type.
- dont write default cameras or camera switch when cameras are disabled.
- fix for (harmless) error where armature connections were written out twice.

- remove/comment unused variables
- remove unused imports
- fixed some bugs using incorrect variables

- fbx default use_selected to False

also option to export lamps was missing.

Added option for smoothing export - Face/Edge/Off.

from Filiciss Muhgue (filiciss)
fixes [#25997] Export to X3D reports error TypeError: 'NoneType' object is not scriptable.

sort materials so we get predictable output from blender, also add option not to include dates in files.