Pin networking-l2gw & vitrage tempest plugin for stein
Pin networking-l2gw & vitrage tempest plugin for stein

networking-l2gw-tempest-plugin
  https://github.com/openstack/networking-l2gw-tempest-plugin/commit/4033269eda1cbc07bba070eadc2869c5c36e7710

Vitrage-tempest-plugin
 2.2.1 - https://review.openstack.org/#/c/648420/

Change-Id: I9e8835496c7b926a9523a98ec916a62c66d471e6
Signed-off-by: Chandan Kumar <52fc3f64022ca28c4466e281516137b8b94fcf4b@gmail.com>

javierpena/rdoinfo,redhat-openstack/rdoinfo