Improve Mesh creation from FileData:  - Handle cases where there is no normal in the mesh  - Handle cases where there is no face  - use std::transform instead of range loops for the copy.
Improve Mesh creation from FileData:
 - Handle cases where there is no normal in the mesh
 - Handle cases where there is no face
 - use std::transform instead of range loops for the copy.

Zouch/Radium-Engine,Zouch/Radium-Engine,AGGA-IRIT/Radium-Engine,AGGA-IRIT/Radium-Engine