Update to EnergyPlus v. 8.1.
Merge from energyplus branch.
Add tag for EnergyPlus 8.1.0.008.
Update to EnergyPlus 8.1.0.008.
Update to EnergyPlus v. 8.0.0.008
Add tag for EnergyPlus 8.0.0.008.
Update to EnergyPlus 8.0.0.008.
Update release compiler flags to run without compiler dependencies.
Update IDD to EnergyPlus v. 8.0.