added LumpedVolumeDeclarations and IDEAS.Fluid.Interfaces.TwoPortFlowResistanceParameters to IDEAS.Fluid.Interfaces.TwoPortFlowResistanceParameters
made Examples/HeatPump_AirWater.mo compatible with Annex60 baseclasses
added partial for threewayvalves
implemented all existing valves using this partial
implemented ThreeWayValveSwitch and ThreeWayValveMotor using more graphical elements
improved Valves package layout
updated revision history for some files
Merge branch 'Annex60' of github.com:open-ideas/IDEAS into Annex60

added changes from remote