Add classic console graph

[evanca]

Description of changes:

Adds a beginner-friendly reward vs. progress graph which should be familiar to those who tried training in the AWS DeepRacer Console.

Entrant’s racing name: evanca

This change has been submitted as part of the AWS DeepRacer Community Log Analysis Challenge. To join the community go to http://join.deepracing.io

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[evanca]

A beginner-friendly reward vs. progress graph which should be well-known to those who tried training in the AWS DeepRacer Console. It is a good starting point for local training first-timers who are not yet familiar with other log analysis graphs and functions.

[jarrettj]

Copied and pasted into my existing notebook and it works. Great stuff evanca.