MANAGED -> MANAGEABLE
MANAGED -> MANAGEABLE

Renamed in Ironic by https://review.openstack.org/#/c/146452/

Change-Id: Ie445c803cd55d829286884957d1ad315a945bbb6
Closes-Bug: #1411778

rdo-management/ironic-discoverd,openstack/ironic-inspector,rdo-management/ironic-discoverd,openstack/ironic-inspector