Performance improvements for 'blip' and 'viz' docker services.

[clintonium-119]

Goes hand-in-hand with: https://github.com/tidepool-org/viz/pull/93 https://github.com/tidepool-org/blip/pull/451

• Changes to the docker-compose.yml
  • allow us to not volume-mount the node_modules and dist directories to improve local performance in the blip and viz services.
• Updates to the tidepool helper script
  • added tidepool stop command
  • added tidepool pull command
  • added tidepool api command
• Documentation updates
  • new helper script commands
  • instructions for overriding the default docker-compose.yml file with an override compose file

[clintonium-119]

Docker performance improvements for 'blip' and 'viz' services

[clintonium-119]

I've removed the references to the tools service, @pazaan

[clintonium-119]

Also, after cleaning up the blip and viz Dockerfiles as per your recommendations, I also added a viz-dist named volume, and removed the unneeded viz-modules volume, as I realized I don't need the viz node_modules in the blip service, only the /dist/index.js file to allow for proper live re-compiling when npm linking @tidepool/viz into blip