Enable log collection after functional testing
Enable log collection after functional testing

This change enables log collection within the gate so that further analysis
on gate tasks can be performed post build. This is very useful when
debugging problems.

Change-Id: Icb3f5904aadb22e8063bedfaa3c28c75f348b16e
Signed-off-by: Kevin Carter <ffb54fded2f22052678e45d78b58d223654eb6fa@rackspace.com>

openstack/openstack-ansible-galera_client,openstack/openstack-ansible-galera_client