calamari python pkg setup.py: zip_safe=False to install unzipped eggs

Zipped eggs are harder to patch/deal with when installed; it's handier
if they're unpacked when installed on the server.

Signed-off-by: Dan Mick <dan.mick@inktank.com>
Merge pull request #177 from ceph/wip-unzipped-eggs

calamari python pkg setup.py: zip_safe=False to install unzipped eggs