- changing Assimp's coordinate system from RH z-up to RH y-up
- fixing coordinate system for LWO, 3DS, ASE, MD5, MDL, B3D, IRR, IRRMESH
- converttolh moved to three separate steps -> flipuv, flipwinding, makelh
LWO
- fixing texture coordinate generation -> mapping axis is correct now
- fixing z-fighting bug
ASE
- fixing crash due to invalid normal setup
- fixing parenting bug
- code cleanup
IRR
- code cleanup
- fixing placement of externally loaded meshes
MDL
- fixing texture coordinate space
PLY
- cleanup
- two-sided maat property is now set
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@366 67173fc5-114c-0410-ac8e-9d2fd5bffc1f