Add rules and script to build manual pages and HTML Halibut already supports these formats but since the documentation is all combined we need to do a bit more work to extract the right information for each game's manual page.
Show Debian package version number Include Debian version number in any version display to make it obvious that the binaries are built from modified source.
Install both 48x48 and 96x96 icons gnome-shell prefers to use 96x96 icons, so install them as well as the 48x48 icons. Install them in size-specific directories instead of using suffixes to the filename, and change the desktop files accordingly.
