Added #ifdef BLINKM around new code. Also refined BlinkM.h.

Marlin/BlinkM.cpp

 #else
   # include "WProgram.h"
 #endif
+
 #include "BlinkM.h"
 
 void SendColors(byte red, byte grn, byte blu)

Marlin/BlinkM.h

   # include "WProgram.h"
 #endif
 
+#ifndef BLINKM
+#define BLINKM
+
 #include "Wire.h"
 
 void SendColors(byte red, byte grn, byte blu);
 
+#endif

Marlin/Configuration.h

 //#define BARICUDA
 
 //define BlinkM/CyzRgb Support
-//#define BlinkM
+//#define BLINKM
 
 /*********************************************************************\
 * R/C SERVO support

Marlin/Marlin_main.cpp

       #endif
       break;
       //TODO: update for all axis, use for loop
+    #ifdef BLINKM  
     case 150: // M150
       {
         byte red;
         SendColors(red,grn,blu);        
       }
       break;
+    #endif //BLINKM
     case 201: // M201
       for(int8_t i=0; i < NUM_AXIS; i++)
       {