Implemented basic test for RO. It runs basic RO functionality tests as well as...

Implemented basic test for RO. It runs basic RO functionality tests as well as scenario based tests. Tested with different vendors OpenStack installations

Change-Id: I3217da96e1ae7e42942b6f5a4e127fab7ed25635
Signed-off-by: Pablo Montes Moreno <pablo.montesmoreno@telefonica.com>