Updating appveyor environment
Updating appveyor environment

UDST/urbansim,AZMAG/urbansim,synthicity/urbansim,AZMAG/urbansim,synthicity/urbansim,UDST/urbansim,synthicity/urbansim,UDST/urbansim,AZMAG/urbansim,AZMAG/urbansim,synthicity/urbansim,UDST/urbansim