feat(docs): add X-ConditionMachineMetadata
Merge pull request #513 from robszumski/docs-unit-files

feat(docs): add X-ConditionMachineMetadata
chore(fleetctl): collapse old cmd_test into fleetctl_test
Merge pull request #517 from jonboulle/test

chore(fleetctl): collapse old cmd_test into fleetctl_test
feat(fleetctl): add template unit support to fleetctl start/submit