Revert "Put version directly in setup.py"

Version is also used in scripts/targetcli.

This reverts commit fedfcb6332ecd3b5d37db6212ffbf4d3ae1735b5.
Add cvubrugier to THANKS

Signed-off-by: Andy Grover <agrover@redhat.com>
update version to 2.1.fb30

Signed-off-by: Andy Grover <agrover@redhat.com>