No code changes. Common code formatting removing tabs, replacing with spaces (tab-size=-2) + emacs reformatting.

   ./bin/ILDExSimu  -g ./ILD_toy.gdml
   - use as cross check with gdml files created by
     geoConverter
   - remove volid tags beforehand:
     cat ILD_toy.gdml | grep -i physvolid > ILD_toy_fixed.gdml