Cleanup of cardreader.*

- Apply standards to cardreader.*
- Fix minor issues with cardreader.cpp
- Apply standards to some other stale regions

Marlin/BlinkM.h

@@ -2,13 +2,12 @@
   BlinkM.h
   Library header file for BlinkM library
  */
-#if (ARDUINO >= 100)
-  # include "Arduino.h"
+#if ARDUINO >= 100
+  #include "Arduino.h"
 #else
-  # include "WProgram.h"
+  #include "WProgram.h"
 #endif
 
 #include "Wire.h"
 
 void SendColors(byte red, byte grn, byte blu);
-