using mface->flag for both.
Also found that the cdDM_drawMappedFaces and cdDM_drawFacesTex_common could get normals mixed up when rendering hidden faces. because hidden/invisible faces used continue without advancing to the next normal.
* stopped bpy from importing automaticaly as decieded in the meeting.
* removed Blender.Main, since we agree it will be called bpy, renamed files also.
* updated epydocs from this and last commit.
* updated scripts to use bpy.*, and bugfix's for widgetwizard