Updated icon.
Added info section.
Added fixme
Added review comments.
Reviewed implementation.
Replaced Generalised with Generalized
Reviewed implementation.
Reviewed implementation. Converted list to table.
Reviewed implementation.
Renamed internal variables to _internal
Revised model.
Renamed partial keyword.

The model has as many equations ans variables.
Revised model.
Merge branch 'electrical_mw' of https://github.com/lbl-srg/modelica-buildings into electrical