Update .desktop files to Freedesktop standards Issue #159
See merge request xonotic/xonotic!17
[Desktop Entry]
Type=Application
-Version=2.5
-Encoding=UTF-8
+Version=1.0
Name=Xonotic (GLX)
Comment=a free open-source first person shooter
-Icon=/usr/share/pixmaps/xonotic.png
-Exec=/usr/bin/xonotic-glx
+Icon=xonotic
+Exec=xonotic-glx
Terminal=false
StartupNotify=false
Categories=Game;
[Desktop Entry]
Type=Application
-Version=2.5
-Encoding=UTF-8
+Version=1.0
Name=Xonotic (SDL)
Comment=a free open-source first person shooter
-Icon=/usr/share/pixmaps/xonotic.png
-Exec=/usr/bin/xonotic-sdl
+Icon=xonotic
+Exec=xonotic-sdl
Terminal=false
StartupNotify=false
Categories=Game;