Testing utilities for passive testing in network deployment

[Kubuxu]

• configuration format suitable to execute test scenarios
• configuration propagation
  • Manifest version in the gpbft messge
  • Manifest fetching
  • applying the manifest
• re-bootstrapping
• power table editing

[masih]

I think we can move all of this as sub tasks under #227

[Kubuxu]

The intended difference between these two is timing. This needs to land before the Lotus release.

[masih]

@Kubuxu I think we can mark this as done?