incremental updates and command-list/update kung fu

this needs some serious cleaning up and testing

git-svn-id: https://svn.musicpd.org/mpd/trunk@692 09075e82-0dd4-0310-85a5-a0d7c8717e4f

src/command.h

@@ -21,6 +21,8 @@
 
 #include "../config.h"
 
+#include "list.h"
+
 #include <stdio.h>
 
 #define COMMAND_RETURN_KILL	10
@@ -30,7 +32,7 @@
 #define COMMAND_RESPOND_OK	"OK"
 
 int processCommand(FILE * fp, unsigned int * permission, int argArrayLength, 
-		char ** argArray);
+		char ** argArray, ListNode * commandNode);
 
 void initCommands();