Merge [#51094333], [#51094417], and [#51094457] into develop

This merges '51094333_SglDuctCVReheat', '51094417_SnglZnVAVNoReheat', and '51094457_EvapFluidCoolerSglSpd' branches into develop. 

This combined branch passes all unit tests and manual testing in the OpenStudio application. 

This combined branch is ready for code review, testing, and validation by NREL.