Preparing ARM for USB NKRO

- API changes from the AVR NKRO support

Output/pjrcUSB/arm/usb_keyboard.h

@@ -1,6 +1,7 @@
 /* Teensyduino Core Library
  * http://www.pjrc.com/teensy/
  * Copyright (c) 2013 PJRC.COM, LLC.
+ * Modifications by Jacob Alexander 2013-2014
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -10,10 +11,10 @@
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
  *
- * 1. The above copyright notice and this permission notice shall be 
+ * 1. The above copyright notice and this permission notice shall be
  * included in all copies or substantial portions of the Software.
  *
- * 2. If the Software is incorporated into a build system that allows 
+ * 2. If the Software is incorporated into a build system that allows
  * selection among a list of target devices, then similar target
  * devices manufactured by PJRC.COM must be included in the list of
  * target devices and selectable in the same manner.
@@ -31,10 +32,21 @@
 #ifndef USBkeyboard_h_
 #define USBkeyboard_h_
 
-#include <inttypes.h>
-#include "output_com.h"
+// ----- Includes -----
+
+// Compiler Includes
+#include <inttypes.h>
+
+// Local Includes
+#include <output_com.h>
+
+
+
+// ----- Functions -----
+
+void usb_keyboard_send();
+
 
-int usb_keyboard_send(void);
 
 #endif // USBkeyboard_h_