reduce outgoing message logging

remove list of recipients on broadcast to committee members - can be deduced from logged committee on each consensus round start.

reduce incoming messages logging

Merge pull request #97 from orbs-network/reduce-logs

reduce logs on every received message

Soft Block proof verification

Block proof validation now supports two mode - verifying against (> 2/3) of committee weight or verifying against (> 1/3).
As ONG node sync adjusted for liveness - it now uses a special case flow in block sync - verifying proof against current committee requiring only more than f weight, to account for at least some honest backing.

Request Block Proof Committee send Block Height

For genesis block proof.

Weighted Lean Helix

Lean helix weighs the different committee member with their respected weight (which reflects their stake in the system)

Reference Time for RequestOrderCommittee

Merge pull request #92 from orbs-network/feature/reftime

Add PrevBlockReferenceTime to lean helix in/out

Added ConsensusTrace logger

Make it easier to trace consensus state in production.

v0.2.5

allow a prepared node to commit view context cancelled by election tr…

v0.2.4: Merge pull request #86 from orbs-network/bugfix/lh_ctx_cancel

Refactor worker loop context allocation

v0.2.3

Fixed another potential memory leak, see #79