Fix argument mismatch failure for neutron-check-nvp-config

Use sys.argv directly.

Fix bug #1243888

Change-Id: I9cb6ca841d004baf72dd68e44be673c361c2ed05
(cherry picked from commit e3e4a3fa2dac7a03169d095267ec492653524325)
Bump stable/havana next version to 2013.2.2

Change-Id: I3a7170180717bd62fce4cbc2c3a9107187f89fb1
Merge branch 'stable/havana' of https://github.com/openstack/quantum into havana/stable