add tree view for widgets;
  -- avoid adding elements to genlist if it's win;
  -- add objtree item selection by click on object

clean up

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
add property view list

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
add propview and comments to main window

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
fixes; add json to egui; autogenerate egui

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>