Change to priority classes. Will probably require some fixings.

- Now using priority classes internally and in protocol
- Converting (depreciated) priorty numbers to the classes BACKGROUND,
  INFO and FOREGROUND
- Added menu_goto command (only works when menu not active)

server/input.h

@@ -6,6 +6,7 @@
  * COPYING file distributed with this package.
  *
  * Copyright (c) 1999, William Ferrell, Scott Scriven
+ *		 2003, Joris Robijn
  *
  */
 
@@ -42,15 +43,20 @@ typedef struct KeyReservation {
 
 int input_init();
 	/* Init the input handling system */
+
 int input_shutdown();
 	/* Shut it down */
+
 int input_reserve_key (char * key, bool exclusive, Client * client);
 	/* Reserves a key for a client */
 	/* Return -1 if reservation of key is not possible */
+
 void input_release_key (char * key, Client * client);
 	/* Releases a key reservation */
+
 void input_release_client_keys (Client * client);
 	/* Releases all key reservations for a given client */
+
 KeyReservation * input_find_key (char * key, Client * client);
 	/* Finds if a key reservation causes a 'hit'.
 	 * If the key was reserved exclusively, the client will be ignored.