Update timeout from 20 to 30 seconds before sending keys to admin node for network setup on start

Change-Id: I0e13e6bda4d0d2398ff6de7025940208f1b6f6ba
Add OSTF test run 'ha' for HA clusters deployments

Change-Id: I6e14b1ab27a66d5ddf999dea03f45ed9fcc4f1b2
system test for Ceph deployment and HA

 * 2 multi-node and 1 HA configuration is deployed with Ceph enabled
 * Ceph HA test simulates OSD and Monitor failures
 * prepare_environment() is extended to skip post-deploy snapshot
   (clock skew introduced by snapshotting the env breaks Ceph cluster)

Change-Id: Id78ba3911d2cbbafbac9ac1414083e32a7a22639
 * test_neutron_added
 * RELEASE_UBUNTU added to settings.py

Change-Id: Ic1c2b6c2f9254096fbabdd66b68583131ff53ecc
ovs packages

Change-Id: Ib9181f0fda71dc557907d1a4077348ef72def549
Merge "Add OSTF test run 'ha' for HA clusters deployments"
Merge " * test_neutron_added  * RELEASE_UBUNTU added to settings.py"
Merge "Update timeout from 20 to 30 seconds before sending keys to admin node for network setup on start"
Ceph build tweaks. Do not merge.

Change-Id: If7f369078f5e1b559a2ec2aa9429f3759e037ba4