Add trove classifiers for PyPI
Add trove classifiers for PyPI

Add classifiers so we can eventually register the project
on PyPI to reserve the name, even though we won't release
packages there.

Change-Id: I35f4fd72de7781d3e01f1d122d5d3267544ffbd6
Signed-off-by: Doug Hellmann <8c845c26a3868dadec615703cd974244eb2ac6d1@dreamhost.com>

n0ano/gantt,n0ano/gantt