Update unit tests to 2.1.
Fix typo.
Port HC EM5600 consumption to general node datum.
Support tagging sources with 'consumption' or 'power' tags.
Remove legacy .consumption.hc.em5600 bundle.
Merge branch 'feature/hc-general' into feature/rxtx-2

* feature/hc-general:
  Remove legacy .consumption.hc.em5600 bundle.
  Support tagging sources with 'consumption' or 'power' tags.
  Port HC EM5600 consumption to general node datum.
  Fix typo.
  Update unit tests to 2.1.