SDD: Translate branch pumps for towers
SDD: Translate OASchRef and assocated properties

Offsets not applied to FollowAvailability method.  Additional
enhancements will be made to support AvailSchOffsetStart and
AvailSchOffsetEnd.
Fix ForwardTranslateAirTerminalSingleDuctVAVReheat

Field named MaximumFlowFractionDuringReheat was not properly translated.
Merge branch 'develop' of https://github.com/NREL/OpenStudio into develop