Rename OMERO-qa-upgrade.py to omego/main.py
First migration of pypi work from scc

Basic setup.py and similar copied from the
http://github.com/openmicroscopy/snoopycrimecop
repository.
Migrate scc framework to omego

Requires the re-addition of argparse which was
previously removed from the files copied over.

From scc commit 67cd4b0ddff7f8ba74d6a16acfc1420675d61853
for diff'ing between scc.py and framework.py.
Fix description
Migrate entry_point to main.py
Clean up for 'working' upgrade commannd