=> 3154-0.14.0

Features:

- Export public API for plugins to use (#1424) (Rafał Chłodnicki)
- Introduce the ${storage_path} and storage_path() method for plugins (#1372) (Rafał Chłodnicki)
- Send back whole action object on choosing action in showMessageRequest (#1411) (Rafał Chłodnicki)

Maintenance:

- Add deprecation note for haskell-ide-engine (#1422) (Nikos Baxevanis)
