Update examples, minimize code size

- Updated some example files and tests
- Small changes to minimize code size

examples/Transfer/printf.h

@@ -1,11 +1,11 @@
 /*
  Copyright (C) 2011 J. Coliz <maniacbug@ymail.com>
- 
+
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  version 2 as published by the Free Software Foundation.
  */
- 
+
 /**
  * @file printf.h
  *
@@ -18,12 +18,12 @@
 
 #ifdef ARDUINO
 
-int serial_putc( char c, FILE * ) 
+int serial_putc( char c, FILE * )
 {
   Serial.write( c );
 
   return c;
-} 
+}
 
 void printf_begin(void)
 {