speed improvement (geometry checking)
Merge remote-tracking branch 'kus/coupling' into coupling
minor fix
minor speed fix
improved checking of crossings
3d improvement
fix
fixed python script - diff eq.
sync with hermes (test coupling 2 doesn't pass)
improvement of 3d view
fixed solution of field after exception
geometry check before solution fixed
changes in modules
left toolbar refresh
minor geometry check
exception message