SA v2.2.0

What's Changed

• expand access to tree with offset by @bjoelle in #22
• Mostly cleanup and fixing of build.xml by @Lars-B in #23
• Eliminate BEASTLabs dependency and fix automated testing by @tgvaughan in #24
• Migrate sampled-ancestors to BEAST 3 by @alexeid in #25

New Contributors

• @Lars-B made their first contribution in #23
• @alexeid made their first contribution in #25

Full Changelog: v2.1.1...v2.2.0