Import of DXF background – possibility to define beams and walls with openings

A film presenting new functionality is available at  https://youtu.be/nqQMKjGsKIk

Import of DXF background – mode of points definition (common for IgentForm, IgentDraw and IgentPres)

Import of DXF background – correction of noticed problems

Saving of reference to DXF file during file saving