Support ansible 2.14
Support ansible 2.14

- Fix code that used task._attributes that's now gone

- Use C._ACTION_DEBUG instead of hardcoding 'debug'. Not sure this is a
good idea, though...

Change-Id: I413156c0ef66654a13a327e87868f3d231ec4057
Signed-off-by: Yedidyah Bar David <e7f2f616ce8817ad893bbeaad3e942e94c69d323@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup