Changelog
7c762ff --revision or --keeps required
0b68b2b Merge pull request #336 from kayac/deregister
4f3920c Merge pull request #343 from kayac/jsonnet
878866c Support to load definition files from jsonnet
9ff0e85 add deregister command
554f147 add revisions command
791373b deregister --keeps
58ecb96 fix usage
fcd6c5a fix usage
89958ed ignore STOPPED task
0461b2b move codes
6b83ce9 prefer to service for skip reason.
3c7b4dd show in use reason (task or deployment)