The neutron-lbaas-dashboard repo had legacy code that is not used in
the current version of the dashboard. This patch removes that code.
Note: This is modeled after Michael Johnson's patch to do the same
for octavia-dashboard: https://review.openstack.org/#/c/496961/
Change-Id: I20e6bc4bceb629bcdd068559f4f57802a69904ed
Closes-Bug: 1712654
* Update requirements for selenium testing
* Add gate scripts
* Add draft integration test config and test stub
* Update tox for running integration tests
A patch for gate job is: I76ab460a110d93b0186ca126858f79ac9e89f09b
Change-Id: I5ca1bf7003a9882648cdfbeab21d2ada37b951f1