message: Update RELEASE-NOTES.md for Shroud update
diff: @@ -60,6 +60,9 @@ The Axom project release numbers follow [Semantic Versioning](http://semver.org/
  - Fortran API in slic module. `axom::slic::message` Level enums are changed
  from *enum-name_enumerator* to *namespace_enumerator*.
  ex. `level_error` is now `message_error`.
  +- Fortran derived-type constructors are now generic functions named afer the derived type.
  + `datastore_new` is now `SidreDataStore`
  + `iomanager_new` is now `IOManager`
  ### Fixed
  - Fixed issue in the parallel construction of the BVH on GPUs, due to incoherent
  