Dont allow to add new roles to deployed node
UI messages
release passwords for heat
Murano-Heat dependency on UI
Refactor dhcp code, flake8 and pep8 fixes
Greatly improved code in dhcp checker. Fixed bug with dhcp behaviour on network down
For example of usage look at tests.py:TestDhcpWithNetworkDown
Add some description to tests. Remove print
added task delete, task list,
simple modifications
fixed printing error
Fixes accidently added debug code
Fix for network info to be fully returned with GET /nodes/
[orchestrator] Pass to nailgun nodes which
need to redeploy in case of errors
* if controller was failed, redeploy
  all controllers of cluster
* if non-controller was failed,
  redeploy only this node
Fix imports for hacking
Supress scapy logging on levels lower that ERROR
[orchestrator] sort nodes by id and fix selection of primary controller
[tasks] set pending_addition to False when nodes were serialized
fix flake8
explanations
remove line
variable name changed