PI-Akka example

It is an example how to use Akka to compute PI using a summation.

It is an upgrade/enanchement of the original tutorial reported here.

Formula

We are using the Leibniz formula:

Improvements

• Calculating PI/4 and at the end it will be computed times 4
• Added Worker Akka-Unit testing
• using application.conf for the parameters instead of hard-coding them