Clarify install_development.py and bootstrap_dev.sh
Clarify install_development.py and bootstrap_dev.sh

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