Aggregator draft

…. It does something. Supposedly, it will collect an hour’s worth of
data, then average it and add it to the json object. every 24 hours, it
should add new data to both week and month parts.
There might be a persistence issues, but this is just a draft anyway.
Significantly less limpy aggregator

Look! It does things! Now if only it was called at the right interval…
Getting there.