Doing libes.a in src/es and adding t-eoReal.cpp in test

I had to move eoRealBounds to utils dir because of global objects
Some domino consequences here and there ...

eo/tutorial/Lesson3/exercise3.1.cpp

@@ -315,7 +315,7 @@ void main_function(int argc, char **argv)
     fileMonitor.add(generationCounter);
     fileMonitor.add(bestStat);
     fileMonitor.add(SecondStat);
-    // the fileMonitor can monitor parameters, too, but you must tell it!
+    // the gnuMonitor can monitor parameters, too, but you must tell it!
     gnuMonitor.add(eval);
     gnuMonitor.add(bestStat);
     gnuMonitor.add(averageStat);