Add initial SetpointManagerScheduledDualSetpoint
Initial SetpointManagerOutdoorAirPretreat
Update SetpointManagerScheduledDualSetpoint
Working build but still in progress
Added unit tests for SPM OutdoorAirPretreat
Update forward translator
Fix bugs in SPM OA Pretreat

This fixes bugs found during integration testing.
Minor code clean up
Merge remote-tracking branch 'origin/74305358_SetpointManager_OAPretreat' into 74305382_SetpointManager_Sch_DualSetpoint
Merge remote-tracking branch 'origin/develop' into 74305382_SetpointManager_Sch_DualSetpoint
Enable new SPMs in app

[#74305382]
Add icons for new SPMs

[#74305382]
Merge remote-tracking branch 'origin/develop' into 74305382_SetpointManager_Sch_DualSetpoint
Merge branch 'develop' into 74305382_SetpointManager_Sch_DualSetpoint
Remove artifact of merge

[#74305382]
Remove boost::shared_ptr in favor of standard lib

[#74305382]
Merge pull request #1126 from NREL/74305382_SetpointManager_Sch_DualSetpoint

74305382 setpoint manager sch dual setpoint