rename src/ to Eigen/ so that we're able to #include<Eigen/Core.h>
in the examples instead of ugly things like #include"../../src/Core.h"
diff --git a/doc/tutorial.cpp b/doc/tutorial.cpp
index 8348cab..e98e1c0 100644
--- a/doc/tutorial.cpp
+++ b/doc/tutorial.cpp
@@ -1,4 +1,4 @@
-#include "../src/Core.h"
+#include <Eigen/Core.h>
 
 USING_EIGEN_DATA_TYPES