[vdsm] How should we handle aborted tasks? via engine, vdsClient or both?

Hello all, I'm looking into the use case around an aborted task within vdsmd. AFAICT both engine and vdsClient are unable to deal with an aborted task at present. Within engine we call HSMStopTaskVDSCommand, this inturn calls stopTask supplying _only_ the task_guid. vdsClient also calls stopTask

[vdsm] Repo Engine Initial code drop

http://gerrit.ovirt.org/#/q/status:open+project:vdsm+branch:master+topic:repo_engine,n,z Everything that isn't marked as WIP is ready for same hard-core review and commit action. The WIP parts are a bit rough around the edges expect: * Typos * spelling errors * grammar errors * Functions that