* Always show the mouse cursor when the mouse is disabled

* Rename IN_StartupJoystick to IN_InitJoystick, add IN_ShutdownJoystick
* Add IN_Restart, which avoids calling IN_DeactivateMouse at the wrong time
* Call IN_Restart when changing r_fullscreen
* Add CVAR_ROM r_sdlDriver for easy checking of the SDL driver in use
* Random README tweaks

code/sys/sys_local.h

@@ -32,6 +32,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 void IN_Init( void );
 void IN_Frame( void );
 void IN_Shutdown( void );
+void IN_Restart( void );
 
 // Console
 void CON_Shutdown( void );

code/sys/sys_main.c

@@ -112,8 +112,7 @@ Restart the input subsystem
 */
 void Sys_In_Restart_f( void )
 {
-	IN_Shutdown();
-	IN_Init();
+	IN_Restart( );
 }
 
 /*