Update Coil:WaterHeating:Desuperheater
Update various refrigeration components

Adds more unit tests, fixes due to unit tests, and fixes due to
integration testing.
Remove reverse translate functionality

Comments out reverse translate for Refrigeration:Case and
Refrigeration:Compressor. These were added for specific purpose and not
general reverse translation of Refrigeration System.
Clean up Refrigeration component commented code

Clean up commented out code and // TODOs