Updated environment for Appveyor
Updated environment for Appveyor

nismod/smif,willu47/smif,nismod/smif,tomalrussell/smif,willu47/smif,willu47/smif,willu47/smif,tomalrussell/smif,nismod/smif,tomalrussell/smif,nismod/smif,tomalrussell/smif