v3.0.0

Perform files and jobs operations with Xenon library from command line.

Added

• --temp-space argument (#61)
• at scheduler

Changed

• submit and exec sub command use a tasks+cores+nodes arguments, instead of nodes+processes+thread (#625).
• Require Java 11 or greater, as xenon package has same compatibility
• Upgraded to Xenon 3.0.0
• Switched to testcontainers for testing against Docker containers

Removed

• hdfs filesystem