fix(third_party/github.com/coreos/go-semver): the copy of go-semver included in Fleet has an incorrect import path. "third_party" is missing from the import path. This causes the "go get" command to fail.
Merge pull request #518 from Shopify/go-semver_example.go_fix

fix(third_party/github.com/coreos/go-semver): fix incorrect import path
chore(fleetctl): simplify lazyLoadJobs/lazyStartJobs
fix(fleetctl): abort consistently on errors in lazyCreateJobs
fix(agent): missing jobName in log message
feat(docs): update list of supported unit types
Merge pull request #519 from jonboulle/fleetctl_cleanup

chore(fleetctl): simplify lazyLoadJobs/lazyStartJobs
Merge pull request #520 from jonboulle/fleetctl_cleanup2

fix(fleetctl): abort consistently on errors in lazyCreateJobs
Merge pull request #521 from jonboulle/agent-fix

fix(agent): missing jobName in log message
feat(fleetctl): add template unit support to fleetctl start/submit
fix(fleetctl): return errors directly, add docstring to lazyCreateJobs