distribution point and copy them to Galaxy's eggs/ directory.
fetch_eggs_tarball.py and check_python_platform.py are mostly for offline
systems. fetch_eggs_tarball.py fetches eggs for your platform (or a
specified platform) and then tars them up, for copying to another system.
check_python_platform.py returns the string for your platform/interpreter
that will be used to download from the egg distribution site.
