Release Notes

Changes in PBFT 1.0.3:

Remove use of unwrap_or followed by a function call
Remove the use of deprecated description
Fix clippy lint
Increase tolerance for timing tests
Update to sawtooth-sdk-rust 0.4.5

Changes in PBFT 1.0.2:

Enable the pbft-engine command's --storage-location and --max-log-size options
Update Sawtooth SDK to v0.4 to take advantage of bugfixes and improvements