minor edits
minor edits

bmockler/MOSFiT,villrv/MOSFiT,mnicholl/MOSFiT,guillochon/FriendlyFit,guillochon/MOSFiT,mnicholl/MOSFiT,guillochon/MOSFiT,villrv/MOSFiT,bmockler/MOSFiT,mnicholl/MOSFiT,guillochon/MOSFiT