STYLE: Remove header guards double underscore prefix which is usually reserved for system files

Modules/Core/Blueprints/include/elxBlueprint.h

-#ifndef __Blueprint_h
-#define __Blueprint_h
+#ifndef Blueprint_h
+#define Blueprint_h
 
 #include "boost/graph/graph_traits.hpp"
 #include "boost/graph/directed_graph.hpp"
@@ -103,4 +103,4 @@ private:
 
 }
 
-#endif // #define __Blueprint_h
\ No newline at end of file
+#endif // #define Blueprint_h
\ No newline at end of file

Modules/Core/Blueprints/src/elxBlueprint.cxx

-#ifndef __Blueprint_cxx
-#define __Blueprint_cxx
+#ifndef Blueprint_cxx
+#define Blueprint_cxx
 
 #include "boost/graph/graphviz.hpp"
 
@@ -157,4 +157,4 @@ Blueprint
 
 } // namespace elx 
 
-#endif // __Blueprint_cxx
+#endif // Blueprint_cxx

Testing/Unit/elxDataManager.cxx

@@ -28,4 +28,4 @@ DataManager
   return path;
 }
 
-#endif // __elxTestData_cxx
\ No newline at end of file
+#endif // __DataManager_cxx
\ No newline at end of file