The source project of this merge request has been removed.
Makefile.am: check if scripter mimetype is installed and only install if not.
Makefile.am: make scripter mimetype only install if not already done to speed up 'make install' process.
Used xdg-mime query to check 2 dummy blank files added to /app/mime/ before installing and not to bother if already installed. For 'make install' speed increase