* Increased stage time window.
* Introduced central state tracker.
* Used shared mutex for target state update.
* Refactored lcl and state sync checks in consensus.
* lcl/state sync loop wait time improvements.
* Forward others' messages only to the weakly connected nodes instead of broadcasting to all the connected peers.
* Announcing connected status depends on a threshold to other connected peers.
* Forwarding messages of weakly connected peers to other peers.
