build, application: Fetch version number for the about dialog
Get the version number for the about dialog from the meson.build file. Also show the git HEAD hash in the about dialog, like gnome-boxes does.
Fixes: #6 (closed)
Get the version number for the about dialog from the meson.build file. Also show the git HEAD hash in the about dialog, like gnome-boxes does.
Fixes: #6 (closed)