bp/neutron network crud

Change-Id: Id96418a5dcdf783eb1ae007229fa57ae1c661bfe
alt implementation

Change-Id: I6a9c7f7543572e333558ce2cca8d591db07e1e55
Merge branch 'no-print' into dt-test
Merge branch 'image-v2-v2' into dt-test
Merge branch 'identity-ec2-tests' into dt-test