* Use meson install instead of manual installation in meson.py
* Update AppVeyor and docs to use the new meson.py flag format
* Meson.py should use --prefix for install paths and --install is a boolean for Windows and Unix now.
* Removed windows specific restrictions from meson.py
* Ensure that the prefix path is an absolute path
* Fix install options syntax
* Added an optional rootdir path for the meson setup command
Co-authored-by: yossizap <yossizap@users.noreply.github.com>