* Create gwindows-1.4.1.toml
Update to recent version of GWindows.
* Update gwindows-1.4.1.toml
Use git commit instead of release Zip file (alire's unzip tool too ancient).
* Added GWindows manifest.
* Point to original GWindows repo.
* Fix temporarily broken build checks
* Added optional, recommended properties after review by Alire team.
Co-authored-by: Alejandro R. Mosteo <amosteo@unizar.es>