Fix missing sanitizing of subpackage targetTypes ...

A regression introduced in #2277.

Move fix for issue 711 outside of JSON/SDL parser ...

Having the fix for this issue in the parser means adding non-trivial logic.
It is easier to reason about to have this logic done as a post-processing step,
replacing the `autodetect` with the actually auto-detected version.
This also paves the way to have other `targetType` as default,
e.g. the `unittest` configuration should probably not be `library`.

Replace occurences of 'in ref' with 'const scope ref' ...

In support for dlang/dmd#11000

Rename Path to NativePath. ...

Matches the changes done in vibe.d 0.8.x and vibe-core.

USe a default package name for single file packages in case none is ...

provided

Rename parameter to match documentation.

Review dub.recipe.io and improve documentation.

Fix all deprecation warnings on 2.071.0-b1, except for std.stream. ...

std.stream is still needed to support UTF filenames.

Implement SDLang package recipe serialization.

Fix target type inheritance for configurations in the SDL recipe parser.

Compile fix.

Add package recipe I/O module.