some additional includes needed with newer compiler

cpp/BayesTree-inl.h

@@ -10,6 +10,7 @@
 #include <boost/assign/std/list.hpp> // for operator +=
 using namespace boost::assign;
 
+#include "Conditional.h"
 #include "BayesTree.h"
 #include "inference-inl.h"
 

cpp/BayesTree.h

@@ -13,6 +13,7 @@
 #include <vector>
 #include <boost/serialization/map.hpp>
 #include <boost/serialization/list.hpp>
+#include <stdexcept>
 
 #include "Testable.h"
 #include "FactorGraph.h"

cpp/Conditional.h

@@ -10,6 +10,7 @@
 
 #include <boost/utility.hpp> // for noncopyable
 #include <boost/serialization/string.hpp>
+#include <boost/serialization/access.hpp>
 #include "Testable.h"
 
 namespace gtsam {