Client code cleanup:

- cleanup some header files and respective #includes
- rearrange functions (definition before first use)
- use SCNxxx instead of PRIxxx macros in scanf()
- use stdbool true/false instead of self defined TRUE/FALSE

client/cmdhf.c

@@ -11,8 +11,10 @@
 #include <stdio.h>
 #include <string.h>
 #include "proxmark3.h"
-#include "graph.h"
+#include "util.h"
 #include "ui.h"
+#include "iso14443crc.h"
+#include "cmdmain.h"
 #include "cmdparser.h"
 #include "cmdhf.h"
 #include "cmdhf14a.h"