Rewrite BatchResponser with Promise.
Impl ConfigRefLoader.
Impl ConfigRefManager.
Add cook.app.Global
Refactor ConfigRefLoader.
Impl ConfigRefVerifier.
Impl ConfigRefManager.
Impl ConfigManager.
Refactor taskComplete func.
Impl ConfigLoaderImpl.
Remove legacy files.
Merge branch 'typed-actor' into v1.0
Use config engine in configloader.