[systest] Prescale test in system_test

[Dmitry Tyzhnenko]

We should implement tests for check readiness env for run on scale lab

Run test with Neutron VLAN and GRE

Scenario:
 1. Create cluster
 2. Add 3 nodes with controller and ceph role
 3. Add 3 nodes with compute and ceph roles
 4. Add 3 nodes with mongo roles
 5. Deploy the cluster
 6. Verify smiles count
 7. Verify ceilometer api is running
 8. Check the radosqw daemon is started
 9. Run OSTF

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/133927

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/133927
Committed: https://git.openstack.org/cgit/stackforge/fuel-main/commit/?id=90211fbf3b11de1826a61cfcd1a57a148f1d5156
Submitter: Jenkins
Branch: master

commit 90211fbf3b11de1826a61cfcd1a57a148f1d5156
Author: Dmitry Tyzhnenko <email address hidden>
Date: Wed Nov 12 12:57:42 2014 +0200

    Add systest for check readiness env

    Scenario:
      1. Create cluster
      2. Add 3 nodes with controller and ceph role
      3. Add 3 nodes with compute and ceph roles
      4. Add 3 nodes with mongo roles
      5. Deploy the cluster
      6. Verify smiles count
      7. Run OSTF

    Change-Id: I1d1ac09bd847a4578359b6e8ec895653def595fb
    Closes-bug: #1391812