Add distributed tracing support

[samuelmanzanera]

Description

Add support of distributing tracing for transaction validation to have a better monitoring

Type of change

• Enhancements

How Has This Been Tested?

Get Jaeger (https://www.jaegertracing.io/)
Start jaeger to gather traces
Start few nodes
Go to localhost:16686, you should see traces of transaction mining

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules