fix some issues for rhel6

Code/Mantid/Framework/Kernel/src/MandatoryValidator.cpp

@@ -3,6 +3,7 @@
 //------------------------------------------
 #include "MantidKernel/MandatoryValidator.h"
 #include "MantidKernel/EmptyValues.h"
+#include <cmath>
 
 namespace Mantid {
 namespace Kernel {

Code/Mantid/Framework/Kernel/src/Math/Optimization/SLSQPMinimizer.cpp

@@ -2,6 +2,7 @@
 #include "MantidKernel/Exception.h"
 
 #include <algorithm>
+#include <cmath>
 #include <cassert>
 #include <sstream>
 

Code/Mantid/Framework/Kernel/src/MultiFileNameParser.cpp

@@ -6,6 +6,7 @@
 #include "MantidKernel/ConfigService.h"
 #include "MantidKernel/FacilityInfo.h"
 
+#include <numeric>
 #include <sstream>
 
 #include <boost/regex.hpp>

Code/Mantid/Framework/Kernel/src/NeutronAtom.cpp

@@ -2,9 +2,11 @@
 // Includes
 //------------------------------------------------------------------------------
 #include "MantidKernel/NeutronAtom.h"
+#include "MantidKernel/PhysicalConstants.h"
 #include <algorithm>
 #include <iostream> // REMOVE
 #include <sstream>
+#include <stdexcept>
 #include <boost/math/special_functions/fpclassify.hpp>
 
 namespace Mantid {

Code/Mantid/Framework/Kernel/src/Statistics.cpp

@@ -2,9 +2,14 @@
 #include "MantidKernel/Statistics.h"
 
 #include <algorithm>
+#include <cfloat>
+#include <cmath>
 #include <iostream>
+#include <limits>
+#include <numeric>
 #include <sstream>
-#include <cfloat>
+#include <stdexcept>
+
 
 namespace Mantid {
 namespace Kernel {

Code/Mantid/Framework/Kernel/src/Strings.cpp

@@ -9,6 +9,7 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/make_shared.hpp>
 
+#include <cmath>
 #include <fstream>
 #include <iomanip>
 

Code/Mantid/Framework/Kernel/src/Unit.cpp

@@ -7,6 +7,7 @@
 #include "MantidKernel/UnitFactory.h"
 #include "MantidKernel/UnitLabelTypes.h"
 #include <cfloat>
+#include <limits>
 
 namespace Mantid {
 namespace Kernel {

Code/Mantid/Framework/Kernel/src/UnitConversion.cpp

@@ -4,6 +4,8 @@
 
 #include <boost/lexical_cast.hpp>
 
+#include <cmath>
+
 namespace Mantid {
 namespace Kernel {
 /**

Code/Mantid/Framework/Kernel/src/VectorHelper.cpp

@@ -4,6 +4,7 @@
 #include "MantidKernel/VectorHelper.h"
 #include <algorithm>
 #include <iostream>
+#include <numeric>
 #include <sstream>
 #include <boost/algorithm/string.hpp>