Fixed quantum floating IP smoketest failure [2/2]

This pull fixes a failure during the nova smoketest where it fails to ping floating IPs.

Also fixed:

Don't blow away the setup if the nova smoketest fails so something is left to debug.
Fixed a failure in the nova smoketest where the smoketest script would bomb if the ssh to probe the disks failed.


 chef/cookbooks/quantum/recipes/server.rb |   11 +++++++++++
 1 file changed, 11 insertions(+)

Crowbar-Pull-ID: 07aada52af97d9bfca558de286e64b9cbb55da2d

Crowbar-Release: pebbles