Complete Refactor- New Prediction Model

2.0

model update

Txpool Analysis - Bug fixes

1.2

Merge branch 'master' of https://github.com/ethgasstation/ethgasstati…

Improved Safe Low

• SafeLow gas price is based on model predictions as well as percent of eligible predictions at a given gas price that remain in txpool after 1 hour

• regression model constants in separate file to make easier to update. should be done locally.