NEW: Mock class for ErrorFunction was separated into its own header.

src/ErrorFunction/ErrorFunctions.h

@@ -18,7 +18,6 @@ namespace lib4neuro {
         ErrorFuncMSE
     };
 
-
     class ErrorFunction {
     public:
 

src/ErrorFunction/ErrorFunctionsMock.h

@@ -5,10 +5,6 @@
 #ifndef LIB4NEURO_ERRORFUNCTIONSMOCK_H
 #define LIB4NEURO_ERRORFUNCTIONSMOCK_H
 
-#ifdef _WINDOWS
-#include <boost/test/included/unit_test.hpp>
-#endif
-
 #include "../ErrorFunction/ErrorFunctions.h"
 #include "../DataSet/DataSet.h"