Update configure with switches for app, ParadisEO, and tutorial.

Add ParadisEO/Lesson1 tutorial in build-process.
minor fixes.

eo/src/paradisEO/comm/messages/from/eoEOSendMessFrom.h

@@ -24,11 +24,22 @@
 #ifndef eoEOSendMessFrom_h
 #define eoEOSendMessFrom_h
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <iostream>
 #include <string>
+#ifdef HAVE_SSTREAM
+#include <sstream>
+#else
 #include <strstream.h>
+#endif
 #include <mpi.h>
 #include <paradisEO/comm/messages/eoMessFrom.h>
 
+using namespace std;
+
 /**
    A message embeding a set of immigrants ...
 */