Support saves selected model in list when reloaded and loaded page
browser.
Write backend code get models in json format, and create file json default models for local server.
Add buttons refresh model list
Corrected visible wrappers and clear code
Added Canny Edge (experiment)
Fixed incorrect work "Fix camers", not set in the "Lines" canvas, once set
composer and not set if changed.
Fixed layout index.html and incorrect path to Javascript and css files.
Other small fixes.
lo-th