Release 0.15.1

Packaging

• Change permissions for /var/lib/leapp to 0700 (#807)

Framework

Fixes

• Prevent unicode errors when printing error messages (#806)
• Make checks for missing answers more strict (#797)

Enhancements

• Expose tracebacks from actors (#802)

New Contributors

• @Jakuje made their first contribution in #799
• @prilr made their first contribution in #802

Full Changelog: v0.15.0...v0.15.1