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: I457910535f3f324e124b182f55dcf8b1eea5f725
Signed-off-by: Kevin Carter <ffb54fded2f22052678e45d78b58d223654eb6fa@rackspace.com>

openstack/openstack-ansible-memcached_server,openstack/openstack-ansible-memcached_server