new class 3d shapes
refactor ui.py
frames
translation between three scenes
shape.name; link objects in listbox && label &entry
edit & update properties
faces listbox
rough version 1
fix bug1
fix polygon delete bugs
Merge commit 'd111a2c0a6d2ab7d3f709cc0e254abe47c2ec545' into 3Dbuilder
Output as Mesh