4.1.1 Add parsing of node status before ha tests

If some node fails(shutdown) ha tests fail
on step when we try ssh to ofline node
Add nodes state parsing to verify HA recovery
only on onlines nodes

Change-Id: Ia89824316bc2228fdefdb4d0cb1cd965bb58145e
Closes-bug: #1288882
Merge "4.1.1 Add parsing of node status before ha tests" into stable/4.1