Fix #721 - Allow space infiltration at space level, and fix #728 - Crash when adding ERV to ThermalZone#729

jmarrec merged 3 commits intodevelopopenstudiocoalition/OpenStudioApplication:developfrom

721_SpaceInfiltration_at_space_levelopenstudiocoalition/OpenStudioApplication:721_SpaceInfiltration_at_space_levelCopy head branch name to clipboard