NREL/OpenStudio — pull request #973 by kbenne (2014-04-09 18:37:02+00:00)
Title: Support up to two fans on AirLoopHVAC

@DavidGoldwasser @asparke2 @mleachNREL

This is a simple relaxation of the rules to allow up to two fans. Like if you want to model a return fan. EnergyPlus allows it so we should too. This is at the request of PSD. Good idea?