Update sites.geojson to list all participants

[RaoOfPhysics]

… so no-one feels left out. :)

Missing:

• USA:
  • [ ] Berkeley
  • [x] Charlottesville
  • [x] Seattle
  • [x] St Paul
• India:
  • [x] Bangalore
  • [x] Barasat
  • [ ] Chennai
  • [x] Madurai
• UK:
  • [x] Edinburgh
  • [x] Exeter
  • [ ] Norwich
• […]

[abbycabs]

hey, we're not using that geojson anymore! (@auremoser moved us to cartodb 😄 ) will delete

[RaoOfPhysics]

Ah! :) Should've waited for your go-ahead before adding them.