Add support for component setpoint plant operation
Translate flowrate with component setpoint operation

When using the ComponentSetpointOperation method, preserve the component
flowrate in the setopint operation scheme.
Add support for uncontrolled plant operation

Passive plant components, namely ground heat exchanger for now, are now
controlled with the appropriate "uncontrolled" plant operation scheme.
Merge remote-tracking branch 'origin/66146654-ComponentSetpointOperation' into 66147226-SmartSetpoints
Add auto setpoint feature

Now appropriate setpoint managers will be added on AirLoopHVAC to all nodes about the
supply outlet node. This will be SetpointManagerMixedAir above the fan
and a clone of the supply outlet setpoint on nodes below the fan.
Update HVAC templates to omit SetpointManagerSingleZoneReheat
Merge remote-tracking branch 'origin/develop' into 66147226-SmartSetpoints
Merge pull request #859 from NREL/66147226-SmartSetpoints

66147226 smart setpoints