Edouard Tisserant <edouard.tisserant@gmail.com> [Wed, 05 Aug 2020 18:49:29 +0200] rev 3005
SVGHMI: widgets are not anymore binary relative or absolute, but have a "relativeness".
Because of allowing multiple variables per widget, we must distinguish if individual variables is relative to page, not the whole widget.
Edouard Tisserant <edouard.tisserant@gmail.com> [Tue, 04 Aug 2020 11:53:39 +0200] rev 3004
SVGHMI: More JS code refactoring : change_hmi_value and apply_hmi_value now methods of widget class.