Update CHANGES.md
Update CHANGES.md

tcmitchell/geni-ar,GENI-NSF/geni-ar,GENI-NSF/geni-ar,GENI-NSF/geni-ar,tcmitchell/geni-ar,tcmitchell/geni-ar,tcmitchell/geni-ar,GENI-NSF/geni-ar,GENI-NSF/geni-ar,tcmitchell/geni-ar