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/cmdlfcotag.h

@@ -11,15 +11,6 @@
 #ifndef CMDLFCOTAG_H__
 #define CMDLFCOTAG_H__
 
-#include "proxmark3.h"// Definitions, USB controls, COTAG_BITS
-#include "util.h"     // FALSE / TRUE
-#include "cmddata.h"  // getSamples
-#include "cmdparser.h"// CmdsParse, CmdsHelp
-#include "cmdmain.h"
-#include "ui.h"       // PrintAndLog
-#include "cmdlf.h"    // Setconfig 
-#include "lfdemod.h"  // manrawdecode, bytebits_tobyteLSBF
-
 #ifndef COTAG_BITS
 #define COTAG_BITS 264
 #endif