Archimesh: Conversion to 2.80

archimesh/__init__.py

archimesh/achm_books_maker.py

archimesh/achm_column_maker.py

archimesh/achm_curtain_maker.py

archimesh/achm_door_maker.py

archimesh/achm_gltools.py

archimesh/achm_kitchen_maker.py

archimesh/achm_lamp_maker.py

archimesh/achm_main_panel.py

archimesh/achm_roof_maker.py

archimesh/achm_room_maker.py

archimesh/achm_shelves_maker.py

archimesh/achm_stairs_maker.py

archimesh/achm_tools.py

archimesh/achm_venetian_maker.py

archimesh/achm_window_maker.py

archimesh/achm_window_panel.py