Refactorings and message analysis bug fix

What's Changed

• Publish the standalone executable JAR file as part of the release (no need to build it locally)
• Enforce the pre-conditions on the messages analysis by @adamtornhill in #74
• Added a Dockerfile. by @o7g8 in #51
• Update README.md add --after flag to git2 cmd by @figaw in #59
• Fix typos in ReadMe by @katrinleinweber in #64
• Add status badges for Code Health and System Mastery by @adamtornhill in #66
• Fix #71 by documenting the format of the mapping files used for architectural analyses by @adamtornhill in #72
• Tidy up by @dotemacs in #73

New Contributors

• @o7g8 made their first contribution in #51
• @figaw made their first contribution in #59
• @katrinleinweber made their first contribution in #64
• @dotemacs made their first contribution in #73

Full Changelog: v1.0.1...v1.0.2