Added code for basement.
Changed some variable names for clarity
Merge branch '940582-Slab-Zone_Coupling' of https://github.com/NREL/EnergyPlusTeam into 1286412-Basement

Conflicts:
	src/EnergyPlus/PlantPipingSystemsManager.cc
code cleanup and debugging.
Merge branch 'develop' of https://github.com/NREL/EnergyPlusTeam into 1286412-Basement

Conflicts:
	src/EnergyPlus/PlantPipingSystemsManager.cc
Changed some variable names and fixed some errors after merging with the Develop branch.
Added code to include basement floor and walls in simulation.
Example input file for basement program.
Fixed some bugs related to basement wall vertical insulation.
Updated idd
Removed some input fields.
Fixed space padding.
Added option to assign different material properties to basement walls and floor.
Reordered input fields.
Added basement wall and floor material fields.
Added option for different material properties for basement walls and floor. Fixed space padding.
Merge branch '1286412-Basement' of https://github.com/NREL/EnergyPlusTeam into 1286412-Basement

Conflicts:
	src/EnergyPlus/DataPlantPipingSystems.cc
	src/EnergyPlus/DataPlantPipingSystems.hh
	src/EnergyPlus/PlantPipingSystemsManager.cc
Fixed a bug in the Developmesh routine.
IDD updates
Cleanup, more parenthesis formatting fixes, minor idd formatting updates.