Corrected a problem in eoEsChromInit (it refused plain eoReal) + some

other minor modications (e.g. a dir in make_checkpoint where ALL file
will go).

eo/src/utils/eoRNG.cpp

@@ -1,9 +1,22 @@
 #include <ctime>
 #include "eoRNG.h"
 
+#include <sys/time.h>
+/** this function retunrs a "truly random" seed for RNG
+ * Replaces the call to time(0) that seems to be non-portable???
+ */
+uint32 random_seed()
+{
+   struct timeval tval;
+   struct timezone tzp;
+
+   gettimeofday (&tval, &tzp);	// milliseconds since midnight January 1, 1970.
+   return uint32(tval.tv_usec);
+}
+
 namespace eo
 {
 /// The Global random number generator. 
-eoRng rng((uint32) time(0));
+eoRng rng(random_seed());
 }