Ensure POM is flattened for user consumption before publishing to Maven

Attempt to fix custom baud rate issues for some Linux users

Add GitHub Manual Release workflow

GitHub Action Fixes

Revert preset-RTS/DTR code

Separate class and configuration reentrant locks

Ensure that JVM variable is not null before unloading

Make snapshot building workflow file more robust

Update SNAPSHOT versioning strings

Add IXANY flag to default termios options