matlab: add default install path to binary search

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
remove depreceated example

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
main: update copyright notice

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
Tutorials: generic paths to voxel models

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
openEMS v0.0.31

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
matlab: fix plot functions for multi frequency far field data