Merge pull request #309 from fgiannar/develop

updates #300
Merge pull request #317 from fgiannar/develop

updates
Merge pull request #319 from fgiannar/develop

fixes #313
Fix reactive y-label (VAr) in run graphs
Issue #316: added co2 factor in the Schema, in the simulation and in the
KPIs response.
Issue #320 appliances not belonging to installation responds with an
error.
Issue #320 add check if appliance in an activity model belongs to the
installation of the activity model.
Issue #119 Lighting API
Merge pull request #72 from cassandra-project/develop

get updates