Bind the keystone address to 0.0.0.0 [3/3]

This change binds the keystone listen IP to 0.0.0.0.


 .../openstack-common/attributes/default.rb         |    7 +++++++
 1 file changed, 7 insertions(+)

Crowbar-Pull-ID: d29c7fd219fc788910559b18e4aab97175bfa350

Crowbar-Release: development