ESMF_4_0_0r Public Method Interface Additions

New interfaces for LocStream:

	(new) newLocStream = ESMF_LocStreamCreate(locstream, name, coordKeyNames, background, maskValues, unmappedAction, rc)

 	(new) newLocStream = ESMF_LocStreamCreate(locstream, name, coordKeyNames, background, unmappedAction, rc)