The GUI to summarise BEAST 2 packages from CBAN
Usage:
Packages.py working_dirworking_dir is the directory to contain all GitHub repositories (packages).
Uncomment packages.update_projects() will trigger the git command.
If source URL is not available, one solution is to copy *.src.jar and uncompress it
under working_dir. See def get_latest_version_packages(...) in Packages.