Remove halo.pl!

- [ ] **TRY** sending a unique ID with each message, log each message in beaglebone client and see if they are being received more than once
- [x] Remove halo.pl
- [x] Remove unnecessary logging for speed (or set production logging level lower)
- [ ] send json/rgb object instead of weird formatted `000,000,000,000\n` string
- [x] fix tests