fix(fleetctl): remove machine/unit name from SSH command
Merge pull request #339 from jonboulle/master

fleetctl ssh not detecting unit vs machine by default
fix(fleetctl): trim command after -- for SSH
refactor(systemd): Drop unused unit_prefix feature

Fix #341
Merge pull request #335 from jonboulle/335

fix(fleetctl): fix ssh command flag parsing
Merge pull request #342 from bcwaldon/341

Remove unit_prefix feature
fix(known-hosts): Use proper flag to build HostKeyFile
Merge pull request #344 from bcwaldon/fix-known-hosts

fix(known-hosts): Use proper flag to build HostKeyFile
fix(scheduling): Correct the ConditionMachineOf behavior (mostly)

* Stop creating job offers in the agents, just clear a job's target
* Add EventJobUnscheduled, facilitating communication of need to reschedule
* Only clear a job's target if it the target is known
fix(functional): parse new list-units output
fix(functional): fix TestScheduleConflicts
fix(agent): start job if target state is launched
fix(test): separate submit from start in signed-request test