SVGHMI: continue rework of Jump widget to cope with Enable Expressions.

Questioning widget's activity and disability all together.
Now active/inactive/disable masquarade is all managed in widgets_common.
Propagated changes to widget already using activity (buttons)

.. Beremiz documentation master file

Beremiz's documentation
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Contents:

.. toctree::
   :maxdepth: 2

   overview
   manual/index
   standards