Updated openstack/openstack
Project: openstack/neutron  2657425ac1cee7ee221df890ac704e6b1760d7c2
null
Tweak version nvp/nsx version validation logic for router operations

This patch improves how the nsx/nvp controller version is validated
prior to some router operations. This is done by greatly simplifying
the boolean condition.

Missing unit tests are also added for increased coverage.

Closes-bug: 1274361

Change-Id: I1b21444fd86b6e6a0c72bb5a43f1707934dd70e4