A proper gitignore
A proper gitignore

Please merge this ASAP :)

midonet/python-neutron-plugin-midonet,yamt/networking-midonet,JoeMido/networking-midonet,JoeMido/networking-midonet,midokura/python-neutron-plugin-midonet,midokura/python-neutron-plugin-midonet,yamt/networking-midonet,midonet/python-neutron-plugin-midonet