BoNwards wave 21

• Temporary revert the libp2p libs to an older version
• General code clean-up, running go vet and gosec will raise no issues
• Headers protection on interceptors when receiving older than final header blocks or ahead of time blocks
• Improved project's code coverage
• Added milliseconds when displaying timestamp on logger line
• Finished improving the new consensus mechanism, added new metrics for consensus

Note: This release should start with a new DB