Fix VIF driver to match the current upstream code

VIF driver accepts vif object to construct the devname and
and vport ID.

Signed-off-by: Ryu Ishimoto <ryu@midokura.com>
Fix fake_uplink by s/add_exterior_port/add_port/
Merge pull request #49 from tomoe/fix-for-fake-uplink

Fix fake_uplink by s/add_exterior_port/add_port/
Add doc for setup_midonet_topology.py
Update to Havana and add RPM build
Add *.pyc to .gitignore

Signed-off-by: Brandon Berg <bberg@midokura.jp>