added useAmiBlockDeviceMappings field to settings.js
added useAmiBlockDeviceMappings field to settings.js

ewiseblatt/spinnaker,spinnaker/spinnaker,imosquera/spinnaker,Roshan2017/spinnaker,jtk54/spinnaker,spinnaker/spinnaker,imosquera/spinnaker,duftler/spinnaker,skim1420/spinnaker,stitchfix/spinnaker,duftler/spinnaker,jtk54/spinnaker,Roshan2017/spinnaker,ewiseblatt/spinnaker,duftler/spinnaker,ewiseblatt/spinnaker,skim1420/spinnaker,stitchfix/spinnaker,spinnaker/spinnaker,ewiseblatt/spinnaker,spinnaker/spinnaker,skim1420/spinnaker,skim1420/spinnaker,duftler/spinnaker,imosquera/spinnaker,stitchfix/spinnaker,jtk54/spinnaker,Roshan2017/spinnaker