Translations:Release notes 0.19/59/en

Forum discussion | beso repository (LGPL 3).
 * FEM_ToOptix_topology_optimization.png
 * Similar to beso, the ToOptix project also provides a macro to perform topology optimization; it currently only works in structural and heat transfer studies.
 * Similar to beso, the ToOptix project also provides a macro to perform topology optimization; it currently only works in structural and heat transfer studies.