Reformulated for OpenModelica
Merge branch 'master' into openmodelica
Removed unrequired computations for #314
Merge branch 'master' into issue314_psat
Merge branch 'master' into openmodelica
Removed unneeded redeclare
Cleaned up code.
Added missing each, reformulated for OpenModelica.
Added regularization
Rewrote DuctManifoldFlowDistributor for OpenModelica.
Added start values
Added missing each and rearranged components.
Removed fixme
set show_T=true. Added from_dp assignment.

The from_dp is needed for convergence.
Added work-around for Python
Merged Annex60.

This merges https://github.com/iea-annex60/modelica-annex60/commit/933499fefc3657f372930be8e1c9ea8a5889127b