Release v0.5.0

Fixed

• When applying blocks, use the supercharge_coinbase value from the block which was being ignored before.
• Incorrect stream being used for RPC responses.
• Allow multiple nodes running on the same host to connect to each other.
• Invalid delta_block_chain_proof in block producer.
• Various p2p layer fixes.

Added

• Support for PubSub in the p2p layer.
• Block producer dashboard, and simulator-based block production demo.
• Support for parsing daemon.json files with custom genesis ledgers.
• Chain ID computation (was hardcoded before).
• Multiple RPC and p2p tests.
• More limits to p2p messages, connections, and parsing.

Removed

• Support for v1 messages in p2p layer.