0.5.1

• Merge pull request #1365 from zingolabs/hotfix/bump-zaino-proto-for-publish
• Bump zaino-proto 0.1.3 → 0.1.4 for crates.io publish chain
• Merge pull request #1364 from zingolabs/hotfix/drop-zebra-git-patch
• Bump zainod 0.5.0 → 0.5.1, zaino-state 0.4.0 → 0.4.1
• Merge branch 'stable' into hotfix/drop-zebra-git-patch
• Drop unreleased zebra git patch; use crates.io releases
• Merge pull request #1358 from zingolabs/release/version-bump-0.5.0
• Bump crate versions for 0.5.0 release
• Merge pull request #1356 from zingolabs/rc/0.5.0